Home
Class 12
PHYSICS
A monochromatic ray of light in incident...

A monochromatic ray of light in incident normally on a refracting face of a prism of angle `30^(@)` . The refractive index of the material of the prism 1.5 .
The angle of emergence will be

A

`32.5^(@)`

B

`20.6^(@)`

C

`48.6^(@)`

D

`18.6^(@)`

Text Solution

Verified by Experts

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

Topper's Solved these Questions

  • REFRACTION OF LIGHT

    CHHAYA PUBLICATION|Exercise Integer answer type|3 Videos

  • REFRACTION OF LIGHT

    CHHAYA PUBLICATION|Exercise EXAMINATION ARCHIVE WITH QUESTION|8 Videos

  • REFRACTION OF LIGHT

    CHHAYA PUBLICATION|Exercise Multiple correct answer type|7 Videos

  • REFLECTION OF LIGHT

    CHHAYA PUBLICATION|Exercise INTEGER ANSWER TYPE|3 Videos

  • SEMICONDUCTORS AND ELECTRONICS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|31 Videos

Similar Questions

Explore conceptually related problems

A monochromatic ray of light is incident normally on a refracting face of a prism of angle 30^(@) . If the refractive index of the material of the prism is 1.5 , calculate the angle of emergence and the angle of deviation. [sin48.6^(@) = 0.75]

A ray of light is incident normally on a face of the prism of refracting angle 30^(@) and refractive index sqrt(2) . Calculate the angle of deviation in degree.

Knowledge Check

  • The refracting angle of a prism is A, and refractive index of the material of the prism is cot (A // 2) . The angle of minimum deviation is

    A
    `180^(@) - 3A`
    B
    `180^(@) - 2A`
    C
    `90^(@) - A`
    D
    `180^(@) + 2A`

  • A ray of light is incident normally on one face of a right angled isosceles prism. It then grazes the hypotenuse. The refractive index of the material of the prism is

    A
    1.33
    B
    1.414
    C
    1.5
    D
    1.732

  • Refractive index of the material of an equilateral prism is sqrt(2) .

    A
    For a ray of light, minimum angle of deviation is `30^(@)`
    B
    For a ray of light, minimum angle of deviation is `45^(@)`
    C
    At `45^(@)` angle of incidence, deviation of a ray becomes minimum
    D
    At `60^(@)` angle of incidence, deviation of a ray becomes minimum

    • Similar Questions

    Explore conceptually related problems

    A very thin prism deviates a ray of light through 5^(@) . If the refractive index of the material of the prism is 1.5 , what is the value of the angle of prism?

    The refractive angle of prism is A. A ray is incident normally on one of the refracting faces of a prism and emerges out. If D be the deviation of the ray then refractive index of the material of the prism is—

    A prism is made of glass of unknown refractive index. A parallel beam of light is incident on a face of the prism. The angle of minimum deviation is measured to be 40^(@) . What is the refractive index of the material of the prism? The refracting angle of the prism is 60^(@) . If the prism is placed in water (refractive index 1.33), predict the new angle of minimum deviation of a parallel beam of light

    When a ray of light is incident on a plane normally, then what is the value of angle of refractive?

    Find the value of the limiting angle of incidence if the refractive index of the material of prism is 1.333 and angle of prism is 60^(@) .

    Home
    Profile