For total internal reflection ⇒⇒⇒⇒i>csini>sincsin45∘>μ1μ>2μ>1.4
A ray of light travelling in a transparent medium of refractive index μ falls, on a surface separating the medium from air at an angle of incidence of 45∘. For which of the following value of μ the ray can undergo total internal reflection?
Held on 30 Apr 2010 · Verified 9 Jul 2026.
μ=1.33
μ=1.40
μ=1.50
μ=1.25
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