Home
Class 12
PHYSICS
Light wave enters from medium 1 to mediu...

Light wave enters from medium 1 to medium 2. Its velocity in `2^(nd)` medium is double from `1^(st)` . For total internal reflection the angle of incidence must be greater than:

A

`30^(@)`

B

`60^(@)`

C

`45^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Under what conditions is the phenomenon of total internal reflection between the critical angle of incidence and the refractive index of the medium.

A ray of light is incident from a denser to a rarer medium. The critical angle for total internal reflection is theta_(ic) and Brewster's angle of incidence is theta_(iB) such that (sintheta_(ic))/(sintheta_(iB))= eta=1.28 . The relative refractive index of the two media is

In total internal reflection when the angle of incidence is equal to the critical angle for the pair of medium in contact, what will be angle of refraction? In total internal reflection when the angle of incidence is equal to the critical angle for the pair of medium in contact, what will be angle of refraction? In total internal reflection when the angle of incidence is equal to the critical angle for the pair of medium in contact, what will be angle of refraction?

A light ray enters from medium A to medium B as shown in Figure. The refractive index of medium A relative to B will be

A sound waves passes from a medium A to a medium B . The velocity of sound in B is greater than in A . Assume that there is no absorption or reflection at the boundary . As the wave moves across the boundary :

A light beam passes from medium 1 to medium 2. Show that the emerging beam is parallel to the incident beam.

A ray of light passes from vaccum into a medium of refractive index n. If the angle of incidence is twice the angle of refraction, then the angle of incidence is

A light beam, passes from medium 1 to medium 2. Show that the emerging beam is parallel to the incident beam.