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Unpolarized light is incident on a plane...

Unpolarized light is incident on a plane glass surface. What should be the angle of incidence so that the reflected and refracted rays are perpendicular to eachother ?

Text Solution

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The correct Answer is:
`57^@`
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Light is incident on a plane glass sheet at an angle of 70^@ . Find the refractive index of glass sheet if the reflected and refracted rays are perpendicular to each other.

Show that when a light beam is incident on a refractive surface at the polarising angle, the reflected and refracted beams are mutually perpendicular to each other.

Knowledge Check

  • Unpolarized light is incident on a plane glass surface. The angle of incidence so that reflected and refracted rays and perpendicular to each other, then

    A
    `"tan"i_(beta)=(mu)/(2)`
    B
    `"tan"i_(beta)=mu`
    C
    `"sin"i_(beta)=mu`
    D
    `"cos"i_(beta)=mu`

  • Unpolarized light is incident on a plane sheet on water surface. The angle of incidence for which the reflected and refracted rays are perpendicular to each other is ( mu of water = 4/3 )

    A
    `sin^(-1)(4/3)`
    B
    `tan^(-1)(3/4)`
    C
    `tan^(-1)(4/3)`
    D
    `sin^(-1)(1/3)`

  • Unpolarized light is incident on a plane glass surface having refractive index . The angle of incidence at which reflected and refracted rays would become perpendicular to each other is :

    A
    `15^(@)`
    B
    `30^(@)`
    C
    `45^(@)`
    D
    `60^(@)`

    • Similar Questions

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    A ray of light falls on a transparent glass slab of refractive index 1.62. What is the angle of incidence if the reflected ray and refracted ray are mutually perpendicular?

    Unpolarised light is incident on a plane surface heaving refractive index sqrt3 . The angle of incidence at which reflected and refracted rays would become perpendicular to each other is

    A ray of light in incident on a glass plate at an angle of 60^@ . What is the refractive index of glass if the reflected and refracted rays are perpendicular to each other?

    Unpolarised light is incident from air on a plane surface of a meterial of refractive index 'mu' . At a particular angle of incidence 'I' , it is found that the reflected and refracted rays are perpendicular to each other. Which of the following options is correct for this situation?

    Unpolarised light is incident from air on a plane surface of a material of refractive index 'mu' . At a particular angle of incidence 'I', it is found that the reflected and refracted rays are perpendicular to each other. Which of the following options is correct for this situation ?

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