A parallel beam of wavelength λ=450×10−9m passes through a long slit of width 2×10−4m. The angular divergence for which most of light is diffracted is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

5.4×10−4rad

4.5×10−3rad

3.5×10−3rad

2.8×10−4rad

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Most of the light is diffracted between the two first order minima.∴ Required angle =2θ=2sinθ=2λd=2×450×10−92×10−4=450×10−5 radian =4.5×10−3 radian

Watch 3-min video & get full concept clarity