A classical mechanics problem by Aditya Gaur

A pulse of light of duration 100 ns is absorbed completely by a small object initially at rest.

Power of the pulse is 30 mW and the speed of light is 3 × 10^(8).

The final momentum of the object is
(A) 0.3 × 10^(−17)
(B) 1.0 × 10^(-17)
(C) 3.0 × 10^(−17)
(D) 9.0 × 10^(−17)

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