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A radio wave of intensity / isn reflcte...

A radio wave of intensity / isn reflcted by a surface. Find intersity (l), if pressure exerted on the surface is `2xx10^(-8)N//m^(2)`.

A

`3N//m^(2)`

B

`4N//m^(2)`

C

`6N//m^(2)`

D

`7N//m^(2)`

Text Solution

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(a)
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