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A monochromatic light is incident at ...

A monochromatic light is incident at a certain angle on an equilateral triamgular prism and suffers minimum deviation . If the refractive index of the material of the prism is `sqrt(3)`, them the angle of incidence is :

A

`90^(@)`

B

`30^(@)`

C

`60^(@)`

D

`45^(@)`

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Knowledge Check

  • The refractive angle of a prism is 60^(@) . What is the angle of minimum deviation, if the refractive index of the material of the prism is sqrt2 ?

    A
    `30^(@)`
    B
    `35^(@)`
    C
    `40^(@)`
    D
    `20^(@)`

  • When a ray of light falls on a prism of angle 48^(@) , it suffers minimum deviation. Refractive index of the material of prism is 1.6 . The angle of incidence is nearly

    A
    `16^(@)`
    B
    `48^(@)`
    C
    `30^(@)`
    D
    `41^(@)`

  • A ray of light is incident at an angle of incidence 45^@ on an equilateral prism and emerge at an angle 45^@ then the refractive index of the medium of the prism is:

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

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