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…
NEET UG 2010 — Physics Optics
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.
Options
- A
μ=1.33
- B
μ=1.40
- C
μ=1.50
- D
μ=1.25
Did you get this right?
Sign in to track your attempts and accuracy.
Your note
Sign in to keep a private note on this question. Nothing you write is ever public.
NEET UG Optics in other years
More NEET UG Optics questions
Two thin lenses of focal lengths f₁ = +20 cm and f₂ = -10 cm are in contact. The power of the combination is:
The refractive index of glass is 1.5. The speed of light in glass is:
In a certain camera, a combination of four similar thin convex lenses are arranged axially in contact. Then the power of the combination and the total magnification in comparison to the power $(p)$ and magnification $(m)$ for each lens will be, respectively
A microscope has an objective of focal length 2 cm , eyepiece of focal length 4 cm and the tube length of 40 cm . If the distance of distinct vision of eye is 25 cm , the magnification in the microscope is :
The intensity of transmitted light when a polaroid sheet, placed between two crossed polaroids at $22.5^{\circ}$ from the polarization axis of one of the polaroid, is ( $\mathrm{I}_0$ is the intensity of polarised light after passing through the first polaroid):
Other Physics topics for NEET UG
Keep practicing Optics
Work through every NEET UG Optics PYQ, year by year.