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In the phenomenon of electric discharge ...

In the phenomenon of electric discharge through gases at low pressure , the coloured glow in the tube appears as a result of

A

collision between the atoms of the gas

B

collision between the charged particle emitted from the cathode atoms of the gas

C

collision between different electrons of the atoms of the gas

D

excitation of electrons in the atoms

Text Solution

Verified by Experts

The correct Answer is:
D
The coloured glow in discharge tube appears due to excitation of electronics in the atoms.
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