Question

Name the Indian sage who first propounded the idea of atom (anu). Maharishi kannada
2. Draw a labelled diagram to show how cathode rays are produced. P 984
3. What is an electron? State its charge in coulombs.
4. How many electrons will weigh as much as one atom of hydrogen? 1837
5. Who discovered positively charged rays? Golosteln
6. Does the mass and charge on positive rays remain same with the change in nature of gas in a discharge tube?
1. Name a zas which produces positive rays which only consists of protons. Hydrogen
8. What is a proton? State the charge on a proton in coulombs and mass in grams.​

Answer 1

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