Home
Class 12
PHYSICS
A glass prism is immeresed in water as s...

A glass prism is immeresed in water as shown in the figure. When a beam of light incident is incident normally on the face ab, it is internally reflected at the face ad. If the refractive index of glass is 1.5 and that of water is `4//3`, then

A

`sin theta lt (2//3)`

B

`sin theta gt (8//9)`

C

`(2//3) lt sin theta lt (8//9)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

A trianglular prims of glass is shown in the figure. A ray incident normally to one face is totally reflected. If theta=45^(@) the refractive index of glass is

A glass prism of refractive index 1.5 is immersed in water of refractive index 4/3. A light ray incident normally on face AB is totally reflected at face AC if

A glass prism of refractive index 1.5 is immersed in water (refractive index 4//3 ) . A light beam normally on the face AB is totally reflected to reach on the face BC if

A prism of glass (mu=1.5) is dipped in to water as shown in the figure. If the refractive index of water is 4/3, then the incident ray will be totally reflected if

A ray of light incident normally on one face of a right isosceles prism is totally reflected. What must be the minimum value of refractive index of glass ? Give relevant calculations.

When a ray of light is incident normally on one refracting surface of an equilateral prism (Refractive index of the material of the prism =1.5

When a ray of light is incident normally on one refracting surface of an equilateral prism (Refractive index of the material of the prism =1.5 )

A ray of light is incident normally on the prism (mu = (3)/(2)) immersed in a liquid as shown in the figure. The largest value for the angle alpha so that ray is totally reflected at the face AC is 30^(@) . The refractive index of the given liquid is

A beam of light travelling in water strikes a glass plate, which is also immersed in water. When the angle of incidence is 51^@ , the reflected beam is found to be plane polarised . What is the refractive index of glass if the refractive index of water is (4)/3 ? [tan 51^(@)=1.235]

A ray of light incident at an angle 90° with the face of an equilateral prism passes symmetrically. Calculate the refractive index of the material of the prism