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An EM wave of intensity I falls on a surface kept in a vacuum and exerts radiation pressure P on it. Which of the following are true?

(a) Radiation pressure is Ic if the wave is totally absorbed.
(b) Radiation pressure is Ic if the wave is totally reflected.
(c) Radiation pressure is 2Ic if the wave is totally reflected.
(d) Radiation pressure is in the range Ic<P<2Ic for real surfaces.

1. (a, b, c)
2. (b, c, d)
3. (a, c, d)
4. (c, d)

Subtopic:  Properties of EM Waves |
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