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According to photon theory of light whic...

According to photon theory of light which of the following physical quantities associated with a photon do not/does not change as it collides with an electron in vacuum

A

Energy and momentum

B

Speed and momentum

C

Speed only

D

Energy only

Text Solution

Verified by Experts

The correct Answer is:
C
Speed of photon is `3xx10^8 m//s` in vacuum.
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