Assertion : In photon-particle collision the total energy and total momentum are conserved. Reason : The number of photons are conserved in a collisio

Monjur Alahi

Assertion : In photon-particle collision the total energy and total momentum are conserved. Reason : The number of photons are conserved in a collision.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.


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Correct Answer - C
(c ) : In a photon-particle collision such as photon-electron collision, the total energy and total momentum are conserved. However of photons may not be conserved in a collision. The photon may be absorbed or a new photon may be created.

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