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A pulse of light of duration 100 nanosecond is absorbed completely by a small object initially at rest. Power of the pulse is 30 mW and the speed of light is 3x10^8 m/s. The final momentum of the object is…
A) 0.3x10^-17 km-m/s
B) 1.0x10^-17 km-m/s
C) 3.0x10^-17 km-m/s
D) 9.0x10^-17 km-m/s

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