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Question

Electrons emitted from various sources using different methods: 
  1. Have the same e/m values
  2. have different e/m values
  3. has e/m value equal to 1
  4. e/m value depends on the temperature


Solution

The correct option is A Have the same e/m values
Electrons emitted from different methods have the same e/m ratio because the charge and the mass of an electron do not depend on the nature of the gas used.

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