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A parallel beam of light in incident on ...

A parallel beam of light in incident on a liquid surface such that the wave front makes an angle `30^(@)` with of the surface and has a width of `sqrt(3)m` , the width of the refracted beam is ____
`(._(a)mu_(L) = sqrt(3))`

A

3 m

B

`sqrt(3) m`

C

`(sqrt(11))/(3)m`

D

`sqrt((11)/(3))` m

Text Solution

Verified by Experts

The correct Answer is:
A
`mu_(1) sin I = mu_(2) sin r, (W_(i))/(W_(r))= (cos i)/(cos r)`
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Knowledge Check

  • A parallel beam of width 'a' is incident on the surface of glass slab (mu = 3//2) at an angle 'I' and the angle of refraction in glass is 'r'. The width of the refracted parallel beam will be

    A
    equal to a
    B
    less than a
    C
    more than a
    D
    exactly `2a//3`

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    A
    `(3//2)^(1//2)`
    B
    `(2//3)^(1//2)`
    C
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    `2//3`

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