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A ray of light passes through a plane bo...

A ray of light passes through a plane boundary separating two media whose refractive indics are `mu_(1) = 3//2` and `mu_(2) = 4//3`. (i) If the ray travels from medium 1 to medium 2 at an angle of incidence of `30^(@)`, what is the angle of refraction ? (ii) If the ray travels form medium 2 to medium 1 at the same angle of incidence, what is the angle of refraction ?

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Knowledge Check

  • Total internal reflection of a light ray travelling from denser medium to rare medium occurs only when angle of incidence is

    A
    `45^@`
    B
    `90^@`
    C
    acute
    D
    more than a certain value

  • A ray of light passes from vacuum into a medium of refractive index n . If the angle of incidence is twice the angle of refraction , then the relation between the angle of incidence and the refractive index is

    A
    `n = 2 sin ((i)/(2))`
    B
    `n = 2 cos ((i)/(2))`
    C
    ` n = 2 tan ((i)/(2))`
    D
    `n = (1)/(2) [ cos ((i)/(2))]`

  • A ray of light is travelling from medium ‘A’ into a rarer medium B. The angle of incidence ^siS 45° and the angle of deviation is 15° . The refractive index of medium A w.r.to B is

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

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