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Light with energy flux 18wcm^(-2) is inc...

Light with energy flux `18wcm^(-2)` is incident on a mirror of size `2cmxx2cm` normally. The force experienced by it and momentum delivered in one minute are

A

`0.48 muN`, `28.8 mu kgms^(-1)`

B

`48 muN`, `2.88 mu kgms^(-1)`

C

`28.8 muN`, `4.8 mu kgms^(-1)`

D

`0.24 muN`, `28.8 mu kgms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
Momentum `P=(U)/(C )=(IA t)/(C )`, Force `F=(IA)/(C )`
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