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Electromagnetic radiation with energy fl...

Electromagnetic radiation with energy flux `50W cm^(-2)` is incident on a totally absorbing surface normally for `1 hour`: If the surface has an area of `0.05m^(2)`, then the avergae force due to the radiaton pressure, on it is,

A

`8.3xx10^(-7)` N

B

`8.3 xx10^(-5)` N

C

`1.2 xx 10 ^(-7)` N

D

`1.2 xx 10^(-5) `N

Text Solution

Verified by Experts

The correct Answer is:
B
Force `F = (IA)/( C)`
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