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A ray of light passes through an equilat...

A ray of light passes through an equilateral prism (refractive index `1.5`) such that angle of incidence is equal to angle of emergence and the latter is equal to `3//4 th` of the angle of prism. Calculate the angle of deviation.

A

`25^(@)`

B

`30^(@)`

C

`45^(@)`

D

`35^(@)`

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