A perfectly absorbing surface intercepts a parallel beam of monochromatic light of power 100 {W} (\lambda=500 {nm}) incident on it normally. If the force exerted by light beam on the surface is {10^{-6}}/{ {n}} {N}, then {n}=

JEE Advanced 2020 Full Test 3 Paper 1

Question : 18 of 54

Marks: +1, -0

A perfectly absorbing surface intercepts a parallel beam of monochromatic light of power 100W‌‌(λ=500nm) incident on it normally. If the force exerted by light beam on the surface is ‌

10−6

N, then n=

Your Answer:

Validate

Go to Question:

Prev Question

Next Question