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 not true? [NCERT Exemplar]
A. Radiation pressure is I/c if the wave is totally absorbed.
B. Radiation pressure is I/c if the wave is totally reflected.
C. Radiation pressure is 2I/c if the wave is totally reflected.
D. Radiation pressure is in the range I/c < p < 2I/c for real surfaces.
Answer:A
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 not true? [NCERT Exemplar]
A. Radiation pressure is I/c if the wave is totally absorbed. B. Radiation pressure is I/c if the wave is totally reflected. C. Radiation pressure is 2I/c if the wave is totally reflected. D. Radiation pressure is in the range I/c < p < 2I/c for real surfaces.