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Question

A ray of light travelling in air strikes the glass surface at an angle of incidence 60. Find the angle of refraction in glass if refractive index of glass is 32? (given sin60=32 and sin35=13)


A

450

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B

900

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C

350

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D

150

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Solution

The correct option is C

350


aμg=32=sin isin r
Or sinr=sin6032
sin r=13
r=13


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