The nature of cathode rays in discharge tube:
Correct answer: C. Is independent of the nature of the gas in discharge tube
- A. Depends on the nature of gas taken in the discharge tube
- B. Depends upon the nature of cathode in discharge tube
- C. Is independent of the nature of the gas in discharge tube
- D. Depends upon the nature of anode in the discharge tube
Explanation
Cathode rays in the discharge tube are the electrons produced due to ionisation of gas and that emitted by cathode due to collision of positive ions and are hence independent of nature of the gas in discharge tube.
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