As a wave propagates,Which of the following is a wrong option?

Options

A. the wave intensity remains constant for a plane wave
B. the wave intensity decrease as the inverse of the distance from the source for a spherical waves
C. the wave intensity decreases as the inverse square of the distance from the source for a spherical wave.
D. total intensity of the spherical wave over the spherical surface remians constant at all times,while source is at the centre of spherical surface.

Answer

D