Question

Light with energy flux `36w//cm^(2)` is incident on a well polished metal square plate of side `2cm`. The force experienced by it is
A. `0.96 muN`
B. `0.24muN`
C. `0.12 muN`
D. `0.36 muN`

Answer 1

Correct Answer - A
`F=(2U)/(Ct)=(2IA t)/(Ct)` , `=(2IA)/(C )`