A pulse of light of duration 100 ns is absorbed completely by a small object initially at rest Power of the pulse is 30mW and

Question

A pulse of light of duration 100 ns is absorbed completely by a small object initially at rest Power of the pulse is 30mW and the speed of light is 3 x 10 m s The final momentum of the object is A 0 3 x 10 7kgms B 1 0 x 10 kgms C 3 0 10 7kgms D 9 0 10 7kgms 1

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