1.

An EM wave of intensity I falls on a surface kept in vacuum and exerts radiation pressure p on it. Which of the following is wrong?

A. Radiation pressure is \[\frac{I}{c}\] if the wave is totally absorbed
B. Radiation pressure is \[\frac{I}{c}\] if the wave is totally reflected
C. Radiation pressure is \[\frac{2I}{c}\] if the wave is totally reflected
D. Radiation pressure is in the range \[\frac{I}{c}<p<\frac{2I}{c}\] for real surfaces
Answer» C. Radiation pressure is \[\frac{2I}{c}\] if the wave is totally reflected


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