Uploaded September 2024 | Updated September 2026, 1 week ago

---

J J THOMSON discovered an electron in a cathode ray tube experiment. His experiment was a mile stone in the development of Modern Atomic Physics.

For any Query
▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
Email:- contactfizica@gmail.com