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A point source emits sound equally in al...

A point source emits sound equally in all directions in a non-absorbing medium. Two point P and Q are at a distance of 9 meter and 25 meter, respectively, from the source. The ratio of amplitudes of the wave at P and Q is

A

`25//9`

B

`9//25`

C

`5//9`

D

`9//5`

Text Solution

Verified by Experts

Intensity is inversely proportional to the square of the distance.
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