NEET2015Physics-Radiation Energy
NEET 2015 Physics Radiation Pressure MCQ Question
Type: MCQ-conceptual-Easy-Class 12
A radiation of energy ‘E’ falls normally on a perfectly reflecting surface. The momentum transferred to the surface is (c = velocity of light)
A
E/c
B
2E/c
C
2E/c²
D
E/c²
Correct Answer
Option A
Detailed Explanation
When radiation is perfectly reflected, the change in momentum is twice the initial momentum, leading to a momentum transfer of 2E/c.
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