A radiation of energy 
falls normally on a perfecting reflecting surface. The momentum transferred to the surface is
A
B
C
Ec
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Initial momentum of surface
Where, 
velocity of light (constant).
Since, the surface is perfectly, reflecting, so the same momentum will be reflected completely.
Final momentum
∴ Change in momentum
Thus, momentum transferred to the surface is
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