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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 | |