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An ink mark on a sheet of paper is viewe...

An ink mark on a sheet of paper is viewed through a glass slab of thickness `t` and refractive index `mu`. Through what distance the mark appears to be raised ?

Text Solution

Verified by Experts

Normal shift in the position of mark
=`t = (1 - (1)/(mu))`.
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A small ink dot on a paper is viewed through a glass slab of thickness 10 cm , and refractive index 1.5 . By what distance would the dot appear to be raised ?

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Knowledge Check

  • A small ink dot on a paper is seen through s glass slab of thickness 4 cm and refractive index 1.5 . The dot appears to be raised by

    A
    `1 cm`
    B
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    C
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    D
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  • The time taken by a ray of light to travel through a glass slab of thickness 2 cm and refractive index 1.5 will be

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    `10 ^(-10) s`
    C
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    D
    `10^(-12) s`

  • A ray of light passes throught a plane glass slab of thickness t and refractive index mu = 1.5 . The angle between incident ray and emergent ray will be

    A
    `0^(@)`
    B
    `30^(@)`
    C
    `45^(@)`
    D
    `60^(@)`

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