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Radiation Pressure: When an Electromagnetic Wave Falls on a White

Question 5

Multiple Choice

Radiation pressure: When an electromagnetic wave falls on a white, perfectly reflecting surface, it exerts a force F on that surface. If the surface is now painted a perfectly absorbing black, what will be the force that the same wave will exert on the surface?


A) 4F
B) 2F
C) F
D) F/2
E) F/4

Correct Answer:

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