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Ionization in discharge tube us due to c...

Ionization in discharge tube us due to collision of ……..gas filled in tube.

A

electron and neutral atom/molecules

B

photon and neutral atom/molecules

C

neutral atom/molecules of gas

D

positive and neutral atom/molecules

Text Solution

Verified by Experts

The correct Answer is:
A
The electron removes the electrons from the atom and produces positive ions when the electrons emitted from the cathode collide with gas atoms or molecules.
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