Home
Class 12
PHYSICS
For an equilateral prism, it is observed...

For an equilateral prism, it is observed that when a ray strikes grazingly at one face it emerges grazingly at the other. Its refractive index will be

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • OPTICS

    FIITJEE|Exercise MATRIX MATCH TYPE|6 Videos

  • MODERN PHYSICS

    FIITJEE|Exercise Numerical based questions|5 Videos

  • PHYSICS PART-III

    FIITJEE|Exercise NUMERICAL BASED QUESTIONS DECIMAL TYPE|11 Videos

Similar Questions

Explore conceptually related problems

A ray of light is incident on an equilateral triangular prism parallel to its base as shown in the figure. The ray just fails to emerge from the face AC. If mu be the refractive index of the prism then the relation(s) is/are :

A ray of light is incident at an angle of 60° on one face of a 30^@) prism. The emergent ray from the prism makes an angle of 30^(@) with the incident ray. Show that the emergent ray is normal to the surface from which it emerges. Calculate the refractive index of the material of the prism.

Knowledge Check

  • For an equilateral prism, it is observed that when a ray strikes grazingly at one face, it emerges grazingly at the other face, its refractive index will be

    A
    `(sqrt(3))/(2)`
    B
    `(2)/(sqrt(3))`
    C
    2
    D
    `(4)/(3)`

  • A ray of light passes through an equilateral glass prism in such a manner that the angle of incidence is equal to the angle of emergence and each of these is equal to (3)/(4) th of the angle of prism. The refractive index of the prism material is

    A
    `(3)/(2)`
    B
    `sqrt2`
    C
    `sqrt3`
    D
    `(sqrt3)/(2)`

    • Similar Questions

    Explore conceptually related problems

    A ray of light is incident at an angle of 60^@ on the face of a prism having refracting angle 30^@. The ray emerging out of the prism makes an angle 30^@ with the incident ray. Show that the emergent ray is perpendicular to the face through which it emerges and calculate the refractive index of the material of prism.

    There is a equilateral prism of refractive index 3 on which a light ray is incident normally on one face as shown in the figure. Find the length of the path traveled by the light ray inside the prism.

    On one face of an equilateral prism a light rays strikes normally. If its mu = (3)/(2) , find the angle between incident ray and the ray that leaves the prism. [60^(@)]

    In an isosceles prism of prism angle 45^(@) , it is found that when the angle of incidence is same as the prism angle, the emergent ray grazes the emergent surface. Find the refractive index of the material of the prism.For what angle of incidence the angle of deviation will be minimum ?

    A ray of light is incident horizontally on the face AB of the.right angled prism as shown in the figure. If the ray emerges grazing the surface AC, find the value of phi . Refractive index of the material of the prism is given to be n.

    A ray of light passes through an equilateral prism in such a way that the angle of incidence is equal to the angle of emergence and each of these angles is 3//4 th the angle of the prism. Determine the (i) angle of deviation and (ii) the refractive index of the prism.

    Home
    Profile