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A ray of light is incident on a plane mi...

A ray of light is incident on a plane mirror at an angle of incidence of `30^@`. The deviation produced by the mirror is

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`120^(@)` ?
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Two plane mirrors are inclined at angle theta .A ray of light is incident on one mirror at an angle of incidence.i.The rayis refelected from this mirror,falls on the second mirror from where it is refleced parallel to the first mirror .What is the value of i,the angle of incident in term of theta ?

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Knowledge Check

  • If a ray of light is incident on a plane mirror at an angle of incidence of 30^@ , then deviation produced by the mirror is

    A
    `15^@`
    B
    `30^@`
    C
    `60^@`
    D
    `120^@`

  • A ray of light is incident on a plane mirror at an angle of incidence 40^@ . The ray, after reflection, is deviated through

    A
    `30^@`
    B
    `60^@`
    C
    `90^@`
    D
    `100^@`

  • A ray of light on a plane mirror at an angle of 60^(@) . What is the deviation produced by the mirror ?

    A
    `120^(@)`
    B
    `60^(@)`
    C
    `30^(@)`
    D
    `90^(@)`

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