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A glass prism of angle 72^(@) and refrac...

A glass prism of angle `72^(@)` and refractive index `1.66` is immersed in a liquid of `mu = 1.33`. Calculate the angle of minimum deviation.

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A glass prism is made of a material of refractive index 1.5 and has a refracting angle of 60^(@) . It is completely immersed in a liquid of refractive index 1.36. Calculate the angle of minimum deviation of the prism in this situation. (sin^(-1)0.55=33.37^(@))

The refracting angle of the prism is 60^@ and the refractive index of the material of the prism is sqrt(3) . Calculate the angle of minimum deviation in degree.

Knowledge Check

  • A certain prism of refracting angle 60^(@) and of refractive index 2 is immersed in a liquid of refractive index sqrt(2) . Then the angle of minimum deviation will be

    A
    `30^(@)`
    B
    `45^(@)`
    C
    `60^(@)`
    D
    `75^(@)`

  • A prism of refractive angle 60^(@) and refractive index 1.5 is kept in water of refractive index 1.33 . What is the angle of minimum deviation for a monochromatic ray of light in water ? (Given sin 34^(@) = 0.56 )

    A
    `4^(@)`
    B
    `8^(@)`
    C
    `16^(@)`
    D
    `120^(@)`

  • For an isosceles prism of angle A and refractive index mu it is found that the angle of minimum deviation delta_(m)=A . Which of the following options is/ are correct?

    A
    At minimum deviation, the incident angle `i_(1)` and the refracting angle `r_(1)` at the first refracting surface are related by `r_(1)=(i_(1)//2)`
    B
    For this prism, the refractive index `mu` and the angle of prism A are related as `A=1/2 cos^(-1) (mu/2)`
    C
    For the angle of incidence `i_(1) = A`, the ray inside the prism is parallel to the base of the prism
    D
    For this prism, the emergent ray at the second surface will be tangential to the surface when the angle of incidence at the first surface is `i_(1)=sin^(-1) [sin A sqrt(4"cos"^(2) A/2 -1)-cos A]`

    • Similar Questions

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    An equilateral glass prism has a refractive index 1.6 in air. Calculate the angle of minimum deviation of the prism, when kept in a medium of refractive index 4sqrt(2)//5

    A prism of refractive index 1.53 is placed in water of refractive index 1.33 . If the angle of prism is 60^@ , calculate the angle of minimum deviation in water.

    A prism made of material with refractive index 1.6 has a prism angle of 9^(@) . Calculate the angle of deviation of the prism.

    For an isosceles prism of angle A and refractive index mu , it is found that the angle of minimum deviation delta_(m) = A . Which of the following options is/ are correct ?

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

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