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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

excitation of electrons in the atoms

B

collision between the atoms of the gas

C

collissions between the charged particles emitted from the cathode and the atoms of the gas

D

collission between diferent electrons of the atoms of the gas

Text Solution

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The correct Answer is:
C
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