Home
Class 12
PHYSICS
A ray of light is incident normally on o...

A ray of light is incident normally on one of the refracting surfaces of a prism of refracting angle A,. The emergent ray grazes the other refracting surface. Find the refractive index of the material ofprism.

A

1.155

B

1.75

C

1.33

D

1.66

Text Solution

Verified by Experts

The correct Answer is:
A
`mu=1/(sinC),C=r_(2)=A,(asr_(1)=0)`
Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE-1 (H.W)( DISPERSION BY A PRISM )|4 Videos

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE-1 (H.W)( DEFECTS OF THE EYE )|3 Videos

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE-1 (H.W)( LENSES )|9 Videos

  • NUCLEI

    NARAYNA|Exercise ASSERTION & REASON|5 Videos

  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (H.W)|36 Videos

Similar Questions

Explore conceptually related problems

A monochromatic ray of light is incident normally on one of the refracting surfaces of a prism . The emergent ray grazes the second refracting surface . What is the angle of the prism if the refractive index of the material of the prism is 1.6 ?

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

One of the refracting surfaces of a prism of angle 30^(@) is silvered. A ray of light incident at angle of 60^(@) retraces its path. The refractive index of the material of prism is

A ray of light is incident on a refracting face of glass prism of refracting angle 30^@ . If the ray emerges normally from the second refracting surface, the angle of incidence is refracting surface, the angle of incidence is [""_(a)mu_(g) = 1.5]

If a light ray incidents normally on one of the faces of the prism of refractive index 2 and the emergent ray just grazes the second face of the prism, then the angle of deviation is

A light ray is incident normally on one of the refracting faces of a prism and just emerges out grazing the second surface. Then, the relation between angle of the prism and its critical angle is

A thin prism of refracting angle 2^@ deviates an incident ray through an angle of 1^@ .Find the value of refractive index of material of prism.

One of the refracting surfaces of a prism of angle of 30^(@) is silvered. A ray of light incident at an angle of 60^(@) retraces its path. The refractive index of the material of prism is