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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 different electrons of the atoms of the gas

B

Excitation of electrons in the atoms

C

Collision between the atoms of the gas

D

Collisions between the charged particles emitted from the cathode and he atoms of the ggas

Text Solution

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The correct Answer is:
B
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