As a wave propagates - Vidyadip

MCQ

As a wave propagates

A
The wave intensity remains constant for a plane wave
B
The wave intensity decreases as the inverse of the distance from the source for a spherical wave
✓
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 centered at the source remains constant at all times

✓

Answer

Correct option: C.

The wave intensity decreases as the inverse square of the distance from the source for a spherical wave

The wave intensity decreases as the inverse square of the distance from the source for a spherical wave

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