QUESTIONS:
1. Define:
1. Atomic number, 2. Mass number.
2. Define:
1. Electron, 2. Proton
3. Write the properties which describes the nature of cathode rays?
4. Write the main observations by RUTHERFORD from his experiment?
5. Calculate the mass and charge of one mole of electron?
6. What is photoelectric effect?
1. Define:
1. Atomic number, 2. Mass number.
2. Define:
1. Electron, 2. Proton
3. Write the properties which describes the nature of cathode rays?
4. Write the main observations by RUTHERFORD from his experiment?
5. Calculate the mass and charge of one mole of electron?
6. What is photoelectric effect?
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