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The intensity of sound from a radio at a...

The intensity of sound from a radio at a distance of 2 metres from its speaker is `1xx10^(-2) mu W//m^(2)`. The intensity at a distance of 10 meters would be

A

`0.2 xx10^(-2) mu W//m^(2)`

B

`1xx10^(-2) mu W//m^(2)`

C

`4xx10^(-4) mu W//m^(2)`

D

`5xx10^(-2) mu W//m^(2)`

Text Solution

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The correct Answer is:
C
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