- Books Name
- Science Made Easy Science Book
- Publication
- Science Made Easy
- Course
- CBSE Class 9
- Subject
- Science
Discovery of Electrons – Cathode Rays (By J. J. Thomson)
→ Thomson explained presence of electrons by cathode rays experiment.
Facts about Electrons
→ Charge on electron = −1.6 × 10-19 C (C = Coloumb)
(As calculated by Robert E. Millikan)
→ Mass of electron = 9.1 × 10-31 kg