Name: 43 Minutes of Advice from UKs Top Physics Students @zhelyo_physics
Uploaded: 2026-09-27T08:17:00-05:00
Duration: 8 min 17 s
Description: 43 Minutes of Advice from UKs Top Physics Students

43 Minutes of Advice from UKs Top Physics Students

ZPhysics 2026-09-27 | 43 Minutes of Advice from UKs Top Physics Students

How Id Prepare for the PAT and ESAT - Mathematics

ZPhysics 2024-10-10 | Join My Last Minute Pat and ESAT sessions: zphysicslessons.net/physics-tutoring
Here are some problem solution on the Mathematics portion of the PAT entrance exam for Oxford and the ESAT for Cambridge, Imperial and Others
Please note these are not official solutions and very often you may find more efficient methods or mistakes, I am not affiliated with either university.

I hope this video is helpful:
00:00 PAT - derivatives
01:40 PAT - integration
05:36 PAT - sequences
08:53 PAT - exponential equations
11:07 PAT - derivatives
12:05 PAT - trigonometry
13:03 PAT - even and odd functions
16:32 ESAT - scale factors
19:38 ESAT - integration for even functions trick
22:10 ESAT - rearranging
24:55 ESAT - geometry
27:25 ESAT - rationalising roots
29:34 ESAT - discriminants

You NEED to Solve These For A Level Physics

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Here is a problem on multi step calculations which is a crucial part of solving problems in A Level Physics. This is of course applicable to all exam boards including AQA A level Physics, OCR A and B, Edexcel, CIE and similar courses such as AP Physics, IB Physics etc.

A similar problem has appeared in AQA however even trickier as it used Young's modulus.

The problem uses the principle of moments and springs and materials. I hope it is useful to practice multi step calculations.

I hope this is useful as an A level Physics problem and solution.

Biggest A Level Physics Mistakes in 11 Minutes

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Here are the most common A Level Physics Mistakes. They are applicable for all exam boards including AQA Physics, OCR A Level Physics A and B, Edexcel, CIE, Edexcel International, Oxford AQA and others.

Chapters:
00:00 Multi-step calculations
01:01 Practical Questions
01:50 Disorganised Calculations - Important!
02:35 Not reading the question
03:00 Answering everything the question asked for
03:12 Definitions
03:32 Independent Work
04:14 Not asking for help
04:43 Do not write this
05:08 Carrying through gaps in knowledge
05:37 Logarithms
05:59 Surprising Gradient Mistakes
06:26 Describe and Explain Questions
07:00 Precise Scientific Language
07:11 Keep Interest in Physics
07:44 Formula Booklet
08:02 Multiple Choice Fix
08:38 Command Words
09:36 Calculation and Algebra Mistakes
09:51 Do this after each calculation
10:04 Rounding Mistakes
10:15 Physics in unfamiliar situations
10:48 Timing Past Papers

They involve exam and revision techniques and follow exam technique on how to learn physics and get better at physics exams. I hope these are helpful.

LAST Question from Oxford Physics Entry Exam

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Here is a question from Oxford University's Physics Admissions Test, the PAT. This is the last question from 2017.
Please access the original paper here:
physics.ox.ac.uk/system/files/file_attachments/pat-2017.pdf
Important to note that there are no official solutions, I am not affiliated with the university and this is simply my approach to the problem and almost certainly there are other approaches and forms of the solutions.
Here is a great problem on refractive index and in a way, reverse critical angle and total internal reflection which was fantastic to solve. It involves dropping a ring along a boundary with two separate substances with different refractive index.
I hope this is useful and let me know if you come across alternative forms of the solution!

Oxford University Mathematician TORTURES Physicist with MAT Entrance Exam

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Tom's Channel: youtube.com/@TomRocksMaths
2019 Maths Paper: maths.ox.ac.uk/system/files/attachments/test19.pdf
Solutions: maths.ox.ac.uk/system/files/attachments/websolutions19.pdf
Join Tom Rocks Maths Oxford University Mathematician and myself attempt the MAT Entrance Exam for Mathematics at the University of Oxford. This exam is great help for students preparing for mathematics exams such as the MAT, PAT, ESAT, STEP. It can also be fun for Physics and Maths Olympiad Students, JEE Advanced Students and the questions can be used as an extension and challenge for A Level Maths and Physics students.
Please note that these are not official solutions, I have attached the mark scheme from Oxford, check it out.

How Id Prepare for the ESAT - Physics

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ESAT Specification: uat-wp.s3.eu-west-2.amazonaws.com/wp-content/uploads/2024/07/19142858/ESAT_Content_Specification_July2024.pdf
PMT Papers: physicsandmathstutor.com/admissions/engaa
Solutions: engineeringadmissionsassessment.com/solutions.html

Here are some tips on how to prepare for the ESAT for admissions to Cambridge university in 2024. It is also used for admissions to Imperial College.
Please note that in this video I have solved multiple questions from the previous exam ENGAA and these are not official solutions and I am not affiliated with Cambridge University.
You can access all papers here:
undergraduate.study.cam.ac.uk/publications/engineering-admissions-assessment-papers
There are very likely to be more efficient and different ways of solving a problem, please get in touch if you spot one.

Chapters:
00:00 The syllabus and Resources
01:52 Force Problem - Tricky
05:17 SUVAT
06:50 Resistors Hard Problem
12:03 Power and Efficiency Graph
15:47 Energy as an Integral - Electricity
18:06 Work Done as Integral - Materials
21:56 Work Done under a constant force
23:34 Speed of a particle under a wave
25:54 Path Difference and Phase Difference
29:49 Longitudinal Wave Displacement Time Graph
34:13 Longitudinal Wave Problem
36:37 Stationary Waves in Pipes
38:11 Thermal Conductivity
40:36 Specific Heat Capacity
43:11 Pressure and pV=nRT, ideal gas law
47:12 Transformers - voltage and current

How Id Prepare for Oxford Physics - The PAT

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Here is a video containing a huge amount of information in preparation for the PAT entrance exam for Oxford University for all physics courses and engineering.
Here are crucial links to help you prepare:
PAT Syllabus and Past Papers: physics.ox.ac.uk/study/undergraduates/how-apply/physics-aptitude-test-pat/pat-syllabus
More unofficial solutions: oxfordpat.wordpress.com
physicsandmathstutor.com/admissions/pat

Please note that the solutions in this video are not official and are merely designed to help students prepare. There are likely more efficient methods and please let me know if you spot something.
These questions are also useful as extension questions for A Level Physics and potentially also useful for preparation for Physics Olympiads, JEE and JEE Advanced Prep, Cambridge Entrance Exams (ESAT, ENGAA, NSAA etc).

Chapters:
00:00 The Syllabus
00:23 Useful Websites
00:41 Preparation Tips
02:25 Dimensional Analysis
06:07 Travelling Wave Equation
09:52 Electricity and Work Done
11:38 Adding Capacitors
15:08 Resistors and Brightness
20:39 Hard Electric Circuit
31:55 Kirchoff's 2nd Law Trick
38:28 Circular Motion Equations
40:23 Circular Motion Question - Integration
51:46 Gravitational Force and Acceleration
52:22 g as a function of density and radius
56:51 g height dependence Moon vs Earth
58:37 g as a function of distance
01:01:18 Gravitational Force in orbit
01:05:15 Double Star Orbit
01:06:13 Triple Star - Tricky Gravity/Circular Motion
01:15:08 Total Energy of a Satellite
01:24:56 Coloumb's Law Tricky Problem
01:40:18 Bohr Model of the Atom and Circular Motion
01:50:13 Calculating Energy Levels

LAST Minute Paper 3 A Level Physics Tips

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Here are some techniques for problem solving techniques in Physics Exams for A Level Physics and similar courses such as AP Physics, IB Physics and similar. This is advice on how to solve problems and improve and applicable for all exam boards such as AQA A Level Physics, OCR A Level Physics A and B, Edexcel, CIE, Edexcel International and many others.
It can be useful for all papers in A Level Physics including Paper 1, Paper 2 and Paper 3.
I hope this advice is useful.

The Physics of Cooking For A Level Physics

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Here is a question for A Level Physics that can be very useful for Paper 3 - a 6 marker practical experimental question on the physics of ovens and thermal physics.
Please note that this is not an official solution and you can find the question here:
ocr.org.uk/Images/667297-question-paper-unified-physics.pdf
And the mark scheme: ocr.org.uk/Images/667302-mark-scheme-unified-physics.pdf

Thermal Physics has appeared in all exam boards and can be applied to AQA Physics, OCR A and OCR B, Edexcel, Eduqas WJEC, CIE etc.

Important Equation for Practicals in A Level Physics Paper 3

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Here is a question for A Level Physics that can be very useful for Paper 3 - a 6 marker practical experimental question often use exponential equations and then apply the laws of logarithms.
This type of analysis appears in all exam boards but including AQA Physics, OCR A and OCR B, Edexcel, Eduqas WJEC, CIE etc.

What Id focus on for A Level Physics Paper 3

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Here are some tips on how to prepare for Paper 3 in A Level Physics. This is applicable to all exam boards including AQA Physics, OCR A and OCR B, Edexcel, Eduqas WJEC, CIE etc.
It involves looking at how to solve, practical skills, uncertainties, line of worst fit and many other tips to help how to prepare for A Level Physics.

How Id Answer Show A Level Physics Questions

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Here is a question for A Level Physics that can be very useful for Paper 2 and that is - show questions.
To demonstrate A Level Physics question problem solving we look at the case of showing that the density of a nucleus is independent of its radius. We do this with the formula for the nuclear radius and highlight how to answer problems such as these.
This type of problem has appeared in all exam boards and can be applied to AQA Physics, OCR A and OCR B, Edexcel, Eduqas WJEC, CIE etc.
It uses Colombo's Law in Electric Fields.

LAST Minute Multiple Choice for A Level Physics

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Please note that these are all not official solutions and it's important to have your own copy of each paper.
Due to copyright restrictions I cannot show you the AQA paper, and please note that these are not official solutions and I am not affiliated with any of the exam boards.
These are my own solutions and there may be mistakes.
Papers:
OCR: ocr.org.uk/Images/171728-unit-h556-02-exploring-physics-sample-assessment-materials.pdf
AQA: filestore.aqa.org.uk/resources/physics/AQA-74082-SQP.PDF
Edexcel: qualifications.pearson.com/content/dam/pdf/A%20Level/Physics/2015/Specification%20and%20sample%20assessments/A-level-Physics-2015-SAMs.pdf (go to page 60 for paper 2)
This video covers multiple choice questions from OCR A Level Physics, AQA and Edexcel A Level Physics.
Chapters:
00:00 OCR Q1 Percentage Uncertainty
01:47 OCR Q2 Conductors
02:35 OCR Q3 Internal Resistance
03:21 OCR Q4 Photons
04:11 OCR Q5 Electron Diffraction
05:12 OCR Q6 Number of Photon and Power
06:51 OCR Q7 Internal Resistance Charging
08:05 OCR Q8 Electric Potential
11:16 OCR Q9 Induced EMF
12:24 OCR Q10 Binding Energy Graph
13:22 OCR Q11 X-Rays
14:45 OCR Q12 Nuclear Fission
16:41 OCR Q13 X Ray wavelength
18:40 OCR Q14 Beta Decay and Particle Physics
19:44 OCR Q15 F=BIL
20:54 AQA Q7 Units
23:37 AQA Q8 Gravitational Acceleration
24:47 AQA Q9 Gravitational Potential
27:45 AQA Q10 Newton's Law of Gravitational Attraction
28:20 AQA Q11 Field Lines and Electrical Potential Energy
31:09 AQA Q12 Electric Field Acceleration
31:45 AQA Q13 Alpha Particle Deflection
32:46 AQA Q14 Electric Potential
35:04 AQA Q15 Coloumb's Law
37:02 AQA Q16 Capacitors
37:29 AQA Q17 Capacitor Discharge and Time Constant
39:16 AQA Q18 Magnetic Field and F=BIL
40:28 AQA Q19 Charge Particle in a Magnetic Field Radius
41:31 AQA Q20 Induced EMF in a moving wire
44:44 AQA Q21 Frequency in Simple Harmonic Motion
45:01 AQA Q22 Induced EMF from Graph of Magnetic Flux
45:52 AQA Q23 Specific Heat Capacity
46:03 AQA Q24 Ratio of Specific Heat Capacity/Specific Latent Heat
49:54 AQA Q26 Boyle's Law
51:38 AQA Q27 Alpha and Beta Decay
52:20 AQA Q28 Decay Constant
53:00 AQA Q29 Radius of Nucleus, Ratio
53:40 AQA Q30 Half Life
54:19 AQA Q31 Binding Energy from a graph
56:19 Edexcel Q1 - Diverging Lens
56:52 Edexcel Q2 - sound refracting
57:12 Edexcel Q3 - standard candles
57:37 Edexcel Q4 - simple harmonic motion graph
58:28 Edexcel Q5 - stress and strain
59:06 Edexcel Q6 - Hertzsprung Russel Diagram
59:49 Edexcel Q7 - Orbital Motion and Work Done
01:00:25 Edexcel Q8 - Drag
01:00:58 Edexcel Q9 - Magnification
01:02:05 Edexcel Q10 - Gravity Law Graph

Do you understand this A Level Physics problem?

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Here is a video on the topic of what happens to the electrical potential energy. The electric potential/energy is a tricky concept in A Level Physics which is a very common mistake.
This video is applicable to all exam boards including AQA A Level Physics, OCR A Level Physics, Eduqas, CIE and similar courses such as AP Physics and IB Physics.
This is an excellent physics revision topic and I hope this is useful.

You NEED to focus on this for calculations in A Level Physics

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Here is a question on A Level Physics that has to be solved by resolving forces to vectors. It is a common mistake in A Level Physics and hopefully helps people on how to solve vector problems.
This type of problem has appeared in all exam boards and can be applied to AQA Physics, OCR A and OCR B, Edexcel, Eduqas WJEC, CIE etc.
It uses Colombo's Law in Electric Fields.

How Id Avoid Mistakes in A Level Physics Exams

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Here are some techniques for problem solving techniques in Physics Exams for A Level Physics and similar courses such as AP Physics, IB Physics and similar. This is advice on how to solve problems and improve and applicable for all exam boards such as AQA A Level Physics, OCR A Level Physics A and B, Edexcel, CIE, Edexcel International and many others.
It can be useful for all papers in A Level Physics including Paper 1, Paper 2 and Paper 3.
I hope this advice is useful.

LAST Minute Multiple Choice Practice A Level Physics

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Here are my solutions to the sample assessment paper from OCR A Level Physics. Please note that these are not official solutions and I may have made a mistake at some point. You can find the original paper here at the OCR's website: ocr.org.uk/Images/171727-unit-h556-01-modelling-physics-sample-assessment-materials.pdf
These questions are applicable to all exam boards including OCR A, AQA, Edexcel and international qualification such as CIE, Edexcel International etc.

Chapters:
00:00 Question 1
00:46 Question 2
02:32 Question 3
05:02 Question 4
06:33 Question 5
07:48 Question 6
10:32 Question 7
12:46 Question 8
13:37 Question 9
14:03 Question 10
15:08 Question 11
15:38 Question 12
16:16 Question 13
17:35 Question 14
20:14 Question 15

IMPORTANT Question For A Level Physics

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Here are some techniques for problem solving techniques in Physics Exams for A Level Physics and similar courses such as AP Physics, IB Physics and similar.
This is advice for describe and explain question and the advice is to follow the physics and visualise it.
I have used a variation of this OCR exam question here: ocr.org.uk/Images/493507-question-paper-unit-g481-01-mechanics.pdf. (question 4b is similar to the one discussed)
Please note this is not an official solution.
This is advice on how to solve problems and improve and applicable for all exam boards such as AQA A Level Physics, OCR A Level Physics A and B, Edexcel, CIE, Edexcel International and many others.
It can be useful for all papers in A Level Physics including Paper 1, Paper 2 and Paper 3.
I hope this advice is useful.

How Id Answer Wordy Questions in A Level Physics

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Describe and explain questions are part of A Level Physics and this video I give several problem solving tips on this precise questions. The following questions are applicable for all exam boards including AQA A level Physics, OCR A and OCR B A level Physics, Edexcel A Level Physics, Eduqas etc. They are also applicable to 6 mark questions.

I hope these are useful and will help you with exam technique and how to solve questions.

VERY Common Mistake in Physics Exams

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Here is a tricky concept for revision in A Level Physics - longitudinal waves. Compressions and rarefactions on a displacement-distance graph can be tricky to identify. This video teaches you how to find them in a displacement - distance graph.

The direction of motion of a wave allows you to find compressions and rarefactions.

This video is suitable for AQA Physics, OCR Physics A and B, Edexcel, CIE and similar courses such as AP Physics and IB Physics and also for AS Physics for all exam boards.

Very useful for all 3 papers including Paper 1, Paper 2 and Paper 3.

You NEED to Know These for A Level Physics

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Phet Animation: https://phet.colorado.edu/en/simulations/projectile-motion
Here are some tips and tricks for A level Physics for all exam boards including AQA A level Physics, CIE Cambridge 9702 syllabus, OCR Physics A, OCR Physics B, Edexcel A Level Physics and for similar courses such as IB Physics, AP Physics etc.
Please note that is not a whole course recap and I have not managed to put all my tips into a single video.

Chapters:
00:00 Describe and Explain Motion
00:56 Projectile Motion Describe and Explain
01:41 Maximum Height of a projetile
02:27 Archimedes Principle
03:47 Velocity at impact
04:07 Springs in series and parallel
04:43 Area under force extension and stress strain graphs
05:38 Stress and Strain Graphs
07:14 Impulse and Force - Time Graphs
08:20 Elastic Collision and change of momentum
09:30 Potential Difference Equation
09:51 EMF and Potential Difference Definitions
10:32 Potential Dividers Describe and Explain
12:22 Internal Resistance Tips
14:30 Superposition Definition
15:37 Critical Angle Derivation special case
17:17 Photoelectric Effect
19:10 De Broglie Wavelength
19:58 Thermal - number of particles
20:20 Assumptions of the Kinetic Theory model
20:31 Internal Energy Definition
20:58 Absolute Zero Definition
21:29 Motion in a circle
22:08 Conditions for Simple Harmonic Motion
22:37 SHM Displacements Equations
23:17 Natural Frequency and Resonance
24:22 Gravitational Field Strength Definition
24:34 Newton's Universal Law of Gravitation Statement
24:59 Total Energy of a satellite, escape velocity
26:09 Wien's Law and proportionality
27:45 Capacitors and voltage
28:13 Capacitors in series and parallel
28:26 Time Constant for Capacitors
29:40 Discharge Equation Half Life
30:34 Defining Units- the Farad vs quantities - Capacitance
31:06 Charging of Capacitors
32:19 Binding Energy Definition
32:32 Binding Energy per Nucleon Curve
33:05 Radioactivity - spontaneous and random
33:37 Equations of Radioactivity
34:06 Decay constant definitions
34:23 Half Life Derivation
34:52 Half Life from Graphs

How Id Revise A Level Physics In a Few Weeks

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Here are some revision techniques for A Level Physics that are also applicable to all exam boards including OCR A Level Physics, CIE Cambridge 9702, AQA A Level Physics, Edexcel Physics and similar courses such as AP Physics, IB Physics etc.

With look at exam technique and how to learn physics by applying the specification, then problem solving techniques and how to analyse our results.
I hope this is useful!

These ALWAYS score marks in A Level Physics

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stationary wave animation: https://www.walter-fendt.de/html5/phen/standingwavereflection_en.htm

Here are some tips on A Level Physics that always score marks. These are true for every exam board including AQA A Level Physics, OCR A Level Physics A and B, CIE Physics 9702 syllabus, Edexcel, edexcel international A level etc.
Also they are applicable to similar courses such as AP Physics, IB Physics and similar.
Some of the tips cover electromagnetism in A Level Physics, Moments and Circular Motion.
I hope this video is useful!

MANY Students Get This Physics Question Wrong

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Here is an A Level physics style question on Kirchhoff's 2nd law in which we find the potential difference, voltage, between two parallel branches. In this question we apply a voltmeter as a bridge between the branches and use the laws of circuits to find the reading of the volt meter.
Similar questions appear often in AQA A Level Physics, but also applicable to all exam boards including OCR, CIE, Edexcel and similar courses such as IB, AP Physics and many others.
I hope this question is useful!

You MUST Understand This A Level Physics Question

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Here is a an extremely common mistake in A Level Physics. The mistake is on the application of internal resistance to a circuit with an LDR and is a portion of the circuits component in A Level Physics. This is applicable to AQA A Level Physics, OCR A and B , Edexcel, CIE, IB and many similar courses such as AP Physics.
In this circuit, the current increases and the p.d. decreases which presented "big gaps" in knowledge according to some examiners reports.

How Id Prepare for a Physics Olympiad - Dynamics (1)

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This video takes you through the basics of dynamics and Newton's Laws and applies to problems from the International Physics Olympiad. It is also suitable for preparation for the basics for competitions such as the IPhO, the Asian Physics Olympiad, National Physics Olympiad, JEE Main and Advanced and Similar. It often looks at concepts which are mostly taught in university in preparation for Physics Olympiads. I hope it is useful.

Problem Credit: International Physics Olympiad in Indonesia 2002
You can find it here: s3.eu-central-1.amazonaws.com/physprob.com/files/ipho/2002_Indonesia_p3.pdf
Solution: s3.eu-central-1.amazonaws.com/physprob.com/files/ipho/2002_Indonesia_p3Sol.pdf

Chapters:
00:00 Newton's Laws of Translational Motion
01:48 Impulse
03:27 Center of Mass
05:47 Center of Mass on a Uniform Rod
09:07 Statics - Balancing Forces, Torques
09:58 Normal Forces
12:27 IPhO Problem - Balancing Forces, Force Diagram
21:43 Hooke's Law, Stress, Strain, Young's Modulus
22:47 Rotational Dynamics - Newton's Laws
24:40 Moment of Inertia
28:17 Moment of Inertia of a Uniform Rod about its edge
31:20 Moment of Inertia of a Uniform Ring about its centre
32:49 Moment of Inertia of a Disc (Cylinder) about its centre
36:19 Moment of Inertia IPhO Problem
40:14 Rotational Dynamics IPhO
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You NEED to Practice This in A Level Physics

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Here is a variation of a very typical motion and forces question in A Level Physics. It looks at the power output to go up/down an inclined slope and then to estimate one of the distances.
Variations of this question keep appearing in many exam boards including AQA A Level Physics, OCR Physics A and B, Edexcel A Level Physics, CIE etc. and similar courses such as AP Physics, IB Physics etc.
I hope this problem is useful!
Please note some of the values may not be accurate as I thought of them "on the spot" while doing the problem to illustrate the concept and that I am assuming that the car acts as a single material point and I am not considering the effect of torques and moments.

You NEED to Understand This Topic for A Level Physics

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Here is an A Level Physics Question on electric fields. Please note that this is not an official question, however it similar to many past paper questions in the past.
This question is applicable to all exam boards inlcuding AQA, OCR A, Edexcel, CIE Cambridge International and similar courses such as IB Physics and AP Physics.
We explore the movement of charged particles in a uniform electric field to calculate the acceleration and the trajectory between the plates.

FUN Oxford PAT Physics Problem - Snells Window

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Here is a question from the 2023 PAT Oxford Entrance exam on refractive index. This is a very fun question on a phenomenon known as Snell's Window that uses the concept of refractive index, the critical angle and total internal reflection to derive a concept.

Please note that this is not an official solution, all credit to the question goes to Oxford and the solution may be wrong. Let me know if you spot something!
You can access the original paper here: physics.ox.ac.uk/system/files/file_attachments/PAT-2023.pdf

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Over 50% in A Level Physics Got This WRONG

ZPhysics 2024-03-17 | My Physics Tutoring: zphysicslessons.net
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There is a concept in Physics that has appeared several times in A Level Physics exams (e.g. paper 2 in AQA A Level Physics but also similar questions can appear in OCR, Edexcel, CIE in any other A Level Physics Course).
The concept of electric field strength and electric potential energy and how it varies in parallel plates.
I hope this video is useful and gains you some extra marks and understanding.

Ultimate Multiple Choice A Level Physics Workout

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In this video we will do lots of multiple choice A Level Physics Practice. Please note that I have seen and solved most of these questions at various parts of my teaching in the past, however I did not do any specific practice before I started filming other than opening up the papers.

Please note that these are not official solutions and I am not affiliated with the exam board OCR.
These fantastic questions are from OCR Physics A and please access their original paper here:
Question 1 to 20: ocr.org.uk/Images/677416-question-paper-breadth-in-physics.pdf (OCR Breadth in Physics 2022)
Questions 1 to 15: ocr.org.uk/Images/676906-question-paper-modelling-physics.pdf (OCR Modelling Physics 2022)

Chapters:
00:00 EM Spectrum
01:20 Kirchoff's Laws
02:06 Refractive Index
03:22 Young's Double Slit
05:37 Power, kinetic energy
07:19 Phase Difference
09:56 Resistors in Parallel
11:17 Internal Resistance
13:55 Moments and perpendicular distance
16:52 Current and number of electrons
18:16 Electric Motor and Efficiency
20:06 Polarisation
20:28 Young's Modulus
23:19 Thermistor
23:45 Moments
26:29 IV Characteristics
28:17 Photoelectric Effect
28:39 Electron Energy, eV
29:08 Waves
29:55 Intensity
31:00 Scalars and Vectors
31:37 Absolute Uncertainty from Data
32:35 Motion Graphs
33:32 Net Force
35:11 Moments
36:13 2D Momentum
39:32 Specific Heat Capacity and Graphs
41:01 Assumptions of Kinetic Theory of Gases
42:00 Root Mean Square Speed
44:57 Simple Harmonic Motion and Energy
46:00 Units
46:30 Energy Levels
47:28 Diffraction Gratings and Doppler's Effect
53:52 Age of the Universe and Hubble's constant
55:56 Cosmological Principle

General Relativity on a School Exam?!

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In this video we look at an amazing problem from the British Physics Olympiad Senior Physics Challenge, BPhO SPT from 2017.
Please note that full credit to this amazing problem goes to the British Physics Olympiad team - what an amazing problem!
Find the original paper here: bpho.org.uk/Papers/SPC/BPhO_AS_2017_QP.pdf
Mark Scheme: bpho.org.uk/Papers/SPC/BPhO_AS_2017_MS.pdf
We use energy conservation and some quantum physics to derive a classical approximation of the change in frequency of a photon in a gravitational field.
Please note that this is not an official solution and I may have some mistakes.
The Problem can also be used as a challenge problem for A Level Physics for all exam boards including OCR, AQA, Edexcel, CIE etc.

Physics Teachers VS British Physics Olympiad Senior Challenge

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@PhysicsOnline and ZPhysics take on the British Physics Olympiad Senior Challenge for Year 12.
We have a look at some of the problems on the challenge, how to prepare and tackle the interesting physics problems on mechanics.
Please note these are not official solutions and there could be mistakes or inaccuracies. Please visit the excellent website for the British Physics Olympiad to access the paper here:
bpho.org.uk/Papers/SPC/BPhO_SPC_2022_QP.pdf
The mark scheme can be found here:
bpho.org.uk/Papers/SPC/BPhO_SPC_2022_MS.pdf
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90% of A Level Physics Students Got This Wrong

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Here is a physics problem in A Level Physics in which the examiner report identified that only 10% of students could score 2/2.
The problem is on magnetism in A Level Physics and is from OCR Physics A from 2021 however it can be used as a practice problem for all exam boards including AQA A Level Physics, Edexcel, Eduqas, CIE 9702 Syllabus etc.
The problem involves using the right hand rule for the direction of the magnetic field around a wire and it involves a trick.
The 2nd part of the problem involves calculating the uncertainty using the rules for absolute and percentage uncertainties in A Level Physics.
Please note that these are not official solutions and I am not affiliated with the exam board.
Please access the original paper here:
ocr.org.uk/Images/667296-question-paper-exploring-physics.pdf Question 19
And the Mark Scheme: ocr.org.uk/Images/667301-mark-scheme-exploring-physics.pdf
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NOT Everyone Revises This in A Level Physics

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Here is an excellent revision question on A Level Physics and AS Level Physics. This is an OCR Physics A question, however the material is covered bye all exam boards including AQA Physics, Edexcel, OCR A and B, CIE 9702 Syllabus Cambridge International, Eduqas etc.
This question explores the work function, the emission of electrons and the photoelectric effect and a calculation of De Broglie Wavelength.

Please note that these are not official solutions and credit goes to OCR and you can access the original question here:
ocr.org.uk/Images/667296-question-paper-exploring-physics.pdf
Mark Scheme: ocr.org.uk/Images/667301-mark-scheme-exploring-physics.pdf

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How Id Prepare for Physics Olympiads - Kinematics

ZPhysics 2024-02-18 | All My Physics Olympiad Solutions: youtube.com/playlist?list=PLSygKZqfTjPCKus_q7vWTaRClR2hi6XFe&si=dA9WwhViVnFaqxDa
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Here is how I would prepare for a Physics Olympiad, including the International Physics Olympiad, National Rounds, European Physics Olympiad (EUPhO), Asian Physics Olympiad. Parts of this guide can also be used for the preparation of entrance exams including the JEE Advanced, JEE Main.
Elements of this can be used to prepare for the Oxford PAT and Cambridge ENGAA, however mainly the graphs and the displacement by differentiation and integration as rotational physics is not really on the syllabus from what I can see.
Please note that if you are preparing for the Y12 Senior Physics Challenge this video is a little bit too advanced for this yet, so don't be alarmed if you find it tricky.
This is also excellent preparation for university courses in Physics and Engineering.
Chapters:
00:00 Syllabus
00:24 Displacement vectors
00:56 Velocity and Acceleration as derivatives
02:30 Uniform Motion
03:12 Uniform Motion Graphs
04:15 Equations of Motion (SUVAT)
05:24 BPho Problem - Non-Uniform Motion and Derivatives
10:20 Non-uniform Motion and Integration
11:50 Uniform Circular Motion - angular velocity
13:00 Relationship between linear and angular velocity
14:14 Angular velocity in terms of T and f
14:56 Angular Acceleration
15:37 Graphs at constant angular velocity
16:19 IPhO Problem - rotational velocity, radial and tangential coordinates
21:27 Centripetal Acceleration
21:53 Centripetal Acceleration Proof via similar triangles
22:05 Motion on a curve
23:21 Constant Angular Acceleration
24:43 Non-uniform Circular Motion
25:06 A tricky vector difference
25:55 Relative velocity - Galilean Transformations
27:40 Relative velocity in 2D
29:38 IPhO Problem- Relative velocity in Rotation
34:00 Rolling Without Slipping
35:40 Point of contact in rolling without slipping
37:06 Rolling WITH Slipping
38:20 Skidding condition
39:18 No mechanical work by forces while rolling without slipping
40:04 Fastest Point on a Wheel
40:56 Example Problem: Velocity on a point on a wheel
43:20 APhO Problem - Rolling without slipping, cylinders

Centripetal Acceleration Derivation video: youtu.be/i2QW9BC-EsQ?si=sFi967hiDfcchtwf

Problems:
British Physics Olympiad Round 1 Problem 2018 (Problem c) bpho.org.uk/Papers/R1/2018Nov_R1_S1.pdf
Solutions: bpho.org.uk/Papers/R1/2018Nov_R1_Marking.pdf
International Physics Olympiad Problem:
s3.eu-central-1.amazonaws.com/physprob.com/files/ipho/2003_Taiwan_p1.pdf
Mark Scheme Solution: s3.eu-central-1.amazonaws.com/physprob.com/files/ipho/2003_Taiwan_p1Sol.pdf
Asian Physics Olympiad Problem: apho.olimpicos.net/pdf/APhO_2009_Q1.pdf
Mark Scheme Solution: apho.olimpicos.net/pdf/APhO_2009_S1.pdf

I hope this video helps answer the question "How to Solve Problems in Physics"

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Dont Miss This on Physics Olympiads (and Oxford PAT)

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Here is a look at a crucial technique for Physics Olympiads and also for Oxbridge Entrance Exams such as the Oxford PAT, I have also seen it appear multiple times at the JEE Advanced for aspirants.
That is - dimensional analysis and units. We look at solution of the Oxford PAT from 2023, in particular question 16.
Please find the original paper here:
physics.ox.ac.uk/system/files/file_attachments/PAT-2023.pdf
Please note that this is not an official solution, I am not affiliated with Oxford University, if you spot a mistake, do let me know.
This question can also be used as an extension for A Level Physics Questions or similar courses such as AP Physics, IB Physics etc.
I hope this is video is helpful!
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If I wanted an A in Physics, Id focus on this

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How do we solve Physics problems? In this video I look at what I think is one of the most important high level skills in A Level Physics - staying calm and breaking down a problem into individual easy smaller problems.
As an example I look at problem 22 (Astrophysics) from OCR Modelling Physics 2022.
Please find the original paper below:
ocr.org.uk/Images/676906-question-paper-modelling-physics.pdf
The Mark Scheme is here:
ocr.org.uk/Images/677043-mark-scheme-modelling-physics.pdf
Please note that this is not an official solution, I am not affiliated with the exam board. Please let me know if you find an accuracy or a better way to approach the problem.
This is a problem that can be used for revision for all exam boards including OCR A Level Physics, AQA A level Physics, IB, Cambridge International CIE 9702 syllabus and similar courses such as AP Physics for example.
To solve this problem we use many concepts such as Stefan Boltzman's Law, Wien's Law, Stellar Evolution, etc.

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Physics Online Reveals Paper 3 Secrets

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How to learn and solve physics problems? Lewis from @PhysicsOnline will give us a masterclass on problem solving in A Level Physics using the following paper from OCR:
ocr.org.uk/Images/676908-question-paper-unified-physics.pdf
Please note that neither of us is affiliated with the exam board and these are not official solutions, just our individual approach to problems.

We look at Question 1 and 2 on astrophysics and oscillations and experimental uncertainties.
This is an excellent resource for physics revision as well applicable to all exam boards including OCR A Level Physics, AQA Physics, Edexcel, CIE Cambridge International and others similar qualifications such as AP Physics, IB Physics etc.

Chapters:
00:00 Paper 3 Thoughts
00:40 Gravitational Field Strength
01:23 Question Data Tip
02:41 Significant Figures
02:55 Order of Magnitude of Answers
03:21 Centripetal Acceleration
04:09 Removing parts of a question
04:24 Centripetal acceleration and orbits
05:50 When is g negative?
07:00 Upthrust and Archimedes Principle
08:25 Avoid Distractors
09:09 Explain questions
13:49 Centripetal Force as Resultant Force
15:35 Measurement Questions
16:47 Measuring Time Period of a Pendulum Uncertainty
18:33 Linear y=mx+c analysis
19:40 Finding constants from graphs
21:36 Line of Worst Fit
22:19 Gradient Tip
22:55 Percentage Uncertainty in the gradient
26:08 Percentage Difference
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IMPORTANT Derivations in Physics: Bernoullis Equation

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In Physics, derivations are arguably more important than solving lots of exam physics problems for the deep understanding of the subject and preparing for university physics work, postgraduate work and beyond.
In this video we derive an amazing equation from Fluid Mechanics/Fluid Dynamics, the Bernoulli Equation (Principle), that is used to explain how lift is generated on airfoils, how water flows and many other amazing applications in physics, applied mathematics, engineering - including mechanical and aerospace engineering.
This derivation is also applicable to physics olympiad preparation including preparation for the IpHo and national physics olympiads and it is also on the JEE Advanced Specification.
It can also be used as a challenge for courses in further mathematics and a level physics.
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How Id Solve a Physics Problem

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Here is a problem from the 2022 ENGAA/ NSAA Cambridge Admission test. I gave myself a problem to solve to try and highlight problem solving techniques and how to learn physics.
Please note that is applicable directly to A Level Physics (all exam boards - AQA A Level Physics, OCR A Level Physics, Edexcel, CIE Cambridge International 9702, etc) and similar courses such as IB Physics, AP Physics, etc.
The question is about a pendulum and it involves a mixture of conservation of energy and conservation of momentum. I greatly enjoyed it!
Please note that this is not an official solution, I am not affiliated with Cambridge, and please check out the official paper here, I did Q11 from section 2 2022 (sorry there is a typo I wrote 2021 in the video): undergraduate.study.cam.ac.uk/sites/www.undergraduate.study.cam.ac.uk/files/publications/engaa_2022.pdf

This problem can be used as a revision tool on how to learn physics for Paper 1, Paper 2, Paper 3 and admission tests. Hope it is useful!

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Can You Solve a Physics Exam Question from India?

ZPhysics 2023-12-17 | My JEE Advanced Playlist: youtube.com/playlist?list=PLSygKZqfTjPAs0IBTO4cXbTdwtQ1fpiX8&si=YfEobu4KNjAxBHV3
Here is a Physics Question from the JEE Main 2019 Solutions from India.
You can find the original paper here: fiitjee.com/JMainA/pdf/8-First.pdf (Q16)
The question is on masses placed in a square arrangement that orbit in circular motion under their own gravity.
This question is a great combination of gravity, geometry and circular motion and can also be used as a fun problem of A level Physics, IB Physics, AP Physics and similar courses.
Please note that this is not an official solution.
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Physics Misteaks that cost A Grades

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Here are some extremely common A level Physics mistakes as based on the 2022 papers from all exam boards including OCR, AQA, Edexcel, CIE etc.
Please note these are not official solutions and I am not affiliated with an exam board. If you spot a more efficient way of solving something or a mistake, please let me know!

These topics are excellent for physics revision and they are crucial for ways to learn physics well, problem solve and analyse a-level physics solutions.

Chapters:
00:00 2D Momentum
01:52 Weight Newtonian Pair
02:52 Multi Step Calc - diffraction and doppler
05:30 Try this!
06:37 Mass of a volume of fluid
07:50 Newton's 2nd Law for variable mass
08:47 Trick I wish I learned earlier! Units
09:45 Radioactive Decay and Half Life
11:03 Beta Decay Graph
12:26 Explanation Questions - refractive index
13:48 Potential Divider Trick
15:23 My Physics Tutoring
15:34 When you can't use SUVAT

Some of the questions are from the 2022 Modelling Physics Paper from OCR as credited in the video.
Please find the original paper here: ocr.org.uk/Images/676906-question-paper-modelling-physics.pdf
And the Mark Scheme: ocr.org.uk/Images/677043-mark-scheme-modelling-physics.pdf
Examiner's report: ocr.org.uk/Images/687915-examiners-report-modelling-physics.pdf

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This Stops 93% from getting an A in Physics

ZPhysics 2023-11-26 | To try everything Brilliant has to offer—free—for a full 30 days brilliant.org/Zphysics The first 200 of you will get 20% off Brilliant’s annual premium subscription. This video is sponsored by Brilliant. Huge thanks to them!
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Here are some tips on some of the most common mistakes in Physics courses such as A Level Physics, AP Physics, IB Physics including all exam boards such as OCR Physics, AQA Physics, Edexcel Physics, CIE Cambridge International 9702 etc.
We look at problems in motivation, maths, how to learn physics and problem solving techniques.
The cup analogy is inspired by Ed from Film Booth! Thanks!
I hope this video is useful!
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How Id Learn This Topic in Physics

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Here is how I'd learn Gravitational Fields in A level Physics by a series of problems and physics solutions and past paper questions.
In this video I go over a couple of trickier problems to help learn some of the concepts of gravitational field strength, the gravitational potential as work done and also ratios.
This video is suitable for all exam boards including OCR A Level Physics, AQA A level Physics, Edexcel, CIE Cambridge International 9702, etc and also for similar courses such as AP Physics, IB Physics etc.

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Only 30% Solve This Physics Problem

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Here is a problem with two springs connected to an object. This can be a little counter intuitive and this type of situation can come up in problems in A Level Physics, AP Physics, IB Physics and similar courses. This problem is applicable to all exam boards including AQA Physics, OCR Physics A and B, CIE Cambridge Syllabus, Edexcel, Eduqas, etc.
The solution involves energy in simple harmonic motion and the energy of each individual spring being converted to kinetic energy.
Please note that this can also be solved using forces but the solution would be considerably trickier.
I hope this video is useful!
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LAST Question from the British Physics Olympiad

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Here is the last question from the British Physics Olympiad Round 1 2022 Section 2 on the JWST telescope on astrophysics! The question uses an Image from the James Webb Space Telescope to cover the physics of star formation in the nebula known as "The Pillars of Creation" where star clusters are born. Amazing!
Please note that these are not official BPhO Round 1 solutions and many thanks for the AMAZING question from the British Physics Olympiad Team!
Check out their amazing resources on their website: bpho.org.uk
Link to the paper: Q5 from bpho.org.uk/Papers/R1/2022Nov_R1_S2.pdf
Official Mark Scheme: bpho.org.uk/Papers/R1/2022Nov_R1_Marking.pdf
Please note that this is not an official solution and there may be better ways of tackling the problem.

Chapters:
00:00 a I Finding the star's wavelength
02:25 The radius of the Bubble in the Nebula
06:37 b Mass of collapse
10:30 c Pressure at the centre of the Sun
12:27 c ii Radiation pressure VS Total Pressure
13:09 c iii Gravitation Pressure Integral
17:11 d I Time for Photon to reach the surface of the Sun
20:00 d ii Mean Free Path of Photons inside the Sun
23:29 e Neutrinos to study The Sun
27:22 WATCH this
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7 Steps for Gold in a Physics Olympiad

ZPhysics 2023-10-29 | To try everything Brilliant has to offer—free—for a full 30 days brilliant.org/Zphysics The first 200 of you will get 20% off Brilliant’s annual premium subscription. This video is sponsored by Brilliant. Huge thanks to them!
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Here are some tips on how to prepare for Physics Olympiads.
Upgrade your Physics: bpho.org.uk/Resources/upgrade-your-physics
They are applicable to all Physics Olympiads, for example - The British Physics Olympiad Round 1, The British Physics Olympiad Senior Challenge, American F=ma exam, American Physics Olympiad, the Asian Physics Olympiad and of course, the International Physics Olympiad.
As examples I am using the syllabus of the international physics olympiad IPhO. This can be accessed here: ipho-new.org/statutes-syllabus (you need to scroll down near the end of the page)

I solve cover an overview of the mathematics required including calculus, differential equations, differentiation and integration.

And some problem solving techniques for physics olympiads and some wider topics such as time management.

I hope this video is very useful!

Chapters:
00:00 First Step
00:35 The Syllabus
01:12 Books
01:40 Important Mathematics Tricks
05:03 Next Step
05:27 Problem Solving Tips
07:01 Working as a Team
07:49 Most important Advice

Some problems which I have showcased:
International Physics Olympiad 2023 Problem 1: ipho2023.jp/en/wp-content/uploads/2023/08/solution_theory1.pdf
Asian Physics Olympiad Drag on a Falling Magnet Problem: apho.olimpicos.net/pdf/APhO_2012_Q1.pdf
Mark Scheme on the 2007 IPhO: s3.eu-central-1.amazonaws.com/physprob.com/files/ipho/2007_Iran_p1Sol.pdf
Attribution for the parallel axis drawing:
Jack Ver, under a Creative Commons license: creativecommons.org/licenses/by-sa/3.0/deed.en
Gold medal image free to use from: pngegg.com
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10 Problems to MASTER Circular Motion

ZPhysics 2023-10-24 | My Circular Motion Workbook: zphysicslessons.net/my-workbooks
ALL types of Circular Motion Questions - Multiple Choice, Derivations, Calculations, 6 marker questions.
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Circular Motion is Crucial for Success in A Level Physics.
This video is a guide to solving practice questions similar to past paper questions and is excellent for both revision and learning. It si applicable to all exam boards including AQA, OCR, Edexcel, Eduqas, CIE international A Level Physics
Chapters:
00:00 Time Period and Frequency
00:32 Angular Velocity
01:07 Linear Velocity
01:46 Angular Velocity of Jupiter
02:33 Which is incorrect?
03:35 My Workbooks
03:58 Linear Analysis
04:37 Centripetal Force
05:54 COMMON Mistake!
06:40 Circular Motion at an angle- IMPORTANT
09:19 Vertical Circular Motion

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LAST Question from Cambridge Admission Exam

ZPhysics 2023-10-15 | My Oxbridge Tutoring Sessions: zphysicslessons.net/physics-tutoring
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Here is a solution to question from the 2020 ENGAA Cambridge Admissions Exam.
Please note that these are not original solutions. You can find the original exam paper here:
undergraduate.study.cam.ac.uk/sites/www.undergraduate.study.cam.ac.uk/files/publications/engaa_past_paper_2020_0.pdf
This question is excellent preparation for the ENGAA exam, the NSAA and also the PAT exam for Oxford.
It can also be used to practice for other exams such as the JEE Main, JEE Advanced, Physics Olympiads.
This question was first introduced to me by subscribers and also successfully solved by some, well done abc-vc4ml !
The question is about internal resistance and uses the physics of circuits and the use of calculus to find an inflection point by differentiating with respect to the current.
I hope it's useful and good luck in preparing for the ENGAA! It can also be used as a stretch and challenge question for A-Level Physics.
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