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