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A ray of light 10^(-9) second to cross a...

A ray of light `10^(-9)` second to cross a glass slab of refractive index 1.5. The thickness of the slab will be

A

0.1 m

B

0.2 m

C

0.3 m

D

0.4 m

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A ray of light is inciden rormally on a glass slab of refractive index mu of thckness 'd' which is at a distance x from the glass. The ray of light takes same time to reach from source to slab and to reach from sorce to slab and to pass through the slab. The thickness of the slab is

    A
    `mu/x`
    B
    `x/mu`
    C
    `mu x `
    D
    `(mu - 1) x`

  • A light passes through glass slabv of refractive index 1.5 and thickness 2 mm. How much time ray will take to pass through the glass slab ?

    A
    `10^(-16) s`
    B
    `10^(-11)s`
    C
    `10^(-16)s`
    D
    `10^(-10)s`

  • A ray of light is incident on a glass slab of refractive index 1.5, making an angle of 40^(@) with the surface. The angle of refraction in glass is

    A
    `40^(@)`
    B
    `30^(@) 42'`
    C
    `50^(@)`
    D
    `60^(@)`

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