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An equilateral prism deviates a ray thro...

An equilateral prism deviates a ray through `40^@` for two angles of incidence differing by `20^@`. The possible angles of incidences is

A

`1.567`

B

`1.467`

C

`1.5`

D

`1.65`

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Knowledge Check

  • An equilateral prism deviates a ray through 45^(@) for the two angles of incidence differing by 20^(@) . The angle of incidence is

    A
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    B
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    D
    Both are wrong

  • A prism of angle 60^@ deviates a ray of light through 32^@ for two angles of incidence which differ by 12^@ . The angles of incidence are

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    B
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    `50^@`, `38^@`
    D
    `52^@`, `40^@`

  • An equilateral prism produces a minimum deviation of 30^(@) . The angle of incidence is

    A
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    `60^(@)`
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