Q.

Statement-1 : In photon-particle collision the total energy and total momentum are conserved.

Statement-2 : The number of photons are conserved in a collision. 

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a

Both statements are false.

b

Statement-1 is false but statement-2 is true.

c

Both statements are true.

d

Statement-1 is true but statement-2 is false.

answer is B.

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Detailed Solution

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In a photon-particle collision such as photon electron collision, the total energy and total momentum are conserved. However the number of photons may not be conserved in a collision. The photon may be absorbed or a net photon may be created. 

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