A ray of light is incident on the hypotenuse of a right-angled prism after travelling parallel to the base inside the prism. If \mu 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

Correct Answer is : cos−1(1µ)

EAMCET Engineering 2003 Solved Paper

Section: Physics

Question : 6 of 160

Marks: +1, -0

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
)

Validate

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