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What is prism? With the help of a diagra...

What is prism? With the help of a diagram of the principal section of a prism, indicate its refracting surface, refracting edge and base.

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The refractive index of a prism is 2. this prism can have a maximum refracting angle of

The refractive index of the material of a prism is sqrt(2) and the angle of the prism is 30^(@) . One of the two refracting surfaces of the prism is made a mirror inwards, by silver coating. A beam of monochromatic light entering the prism from the other face will retrace its path (after reflection from the silvered surface) if its angle of incidence on the prism is

Knowledge Check

  • In refraction of light through a prism the light ray:

    A
    suffers refraction only at one face of the prism
    B
    emergest out from the prism in a direction parallel to the incident ray
    C
    bends at both the surface of the prism towards its base
    D
    bends at both the surfaces of the prism opposite to its base.

  • A ray of light incident at an angle theta on a refracting face of a prism emerges from the other face normally. If the angle of the prism is 5^@ and the prism is made of a material of refractive index 1.5 , the angle of incidence is.

    A
    `7.5^(@)`
    B
    `5^(@)`
    C
    `15^(@)`
    D
    `2.5^(@)`

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    The angle between two refracting surfaces of a prism is called :

    A ray of light incident at an angle theta on a refracting face of a prism emerges from the other face normally. If the angle of the prism is 5^@ and the prism is made of a material of refractive index 1.5 , the angle of incidence is.

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    If a prism having refractive index sqrt 2 has angle of minimum deviation equal to the angle of refraction of the prism, then the angle of refraction of the prism is:

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    Light is incident normally on the short face of a 30^@-60^@-90^@ prism. A liquid is poured on the hypotenuse of the prism. If the refractive index of the prism is sqrt(3) , find the maximum refractive index of the liquid so that light is totally reflected.

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