Multiple choice

Which of the following statements is incorrect?

  1. Canal rays are positively charged gas particles.

  2. Canal rays originate from anode.

  3. Canal rays have constant e/m ratio.

  4. Canal rays get deflected in electric field.

  5. Canal rays have variable mass.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

E/m ratio is not constant but depend on the nature of gas used. Anode rays are produced by ionisation of molecules of gas.

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