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A point source emits sound equally in all directions in a non-absorbing medium.

A point source emits sound equally in all directions in a non-absorbing medium. Two points P and Q are at distances of 2 m and 3 m respectively from the source. The ratio of the intensities of the waves at P and Q is

Options

(a) (3:2)
(b) (2:3)
(c) (9:4)
(d) (4:9)

Correct Answer:

(9:4)

Explanation:

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