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EAMCET Engineering 2003 Solved Paper

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Question : 6

Total: 160

A ray of light is incident on the hypotenuse of a right-angled prism after travelling parallel to the base inside the prism. If µ is the refractive index of the material of the prism, the maximum value of the base angle for which light is totally reflected from the hypotenuse is

sin‌−1(‌
1
µ
)
tan−1(‌
1
µ
)
sin‌−1(‌
µ−1
µ
)
cos−1(‌
1
µ
)

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