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Light with an Intensity of 1 KW/m2 Falls Normally on a Surface

Question 74

Multiple Choice

Light with an intensity of 1 kW/m2 falls normally on a surface with an area of 1 cm2 and is completely reflected. The force of the radiation on the surface is:


A) 1.0 * 10-4 N
B) 3.3 * 10-11 N
C) 1.7 * 10-10 N
D) 3.3 * 10-10 N
E) 6.7 * 10-10 N

Correct Answer:

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