Light enters at an angle of incidence in a transparent rod, through one end. Refractive index of the material of the rod is 'μ' The light once entered into it will not leave it through its lateral face, whatsoever be the value of angle of incidence, if

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

answer is 1.

(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

sinθc=1μr=900−θcNow, sin900sinr=μ⇒ 1cosθc=μ ⇒ 1−1μ2 = 1μ ⇒ μ=2

Watch 3-min video & get full concept clarity