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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Ray Optics

Olympiad workbook · NSEP · Ray Optics

On a right angled transparent triangular prism ABC , when a ray of...

On a right angled transparent triangular prism ABC , when a ray of light is incident on face AB , parallel to the hypotenuse BC , it emerges out of the prism grazing along the surface AC . If instead the ray is made incident on face AC , parallel to the hypotenuse CB it gets totally reflected on face

A B

. The refractive index

\mu

of the material of the prism is

Options

A $\mu>\sqrt{2}$
B $\sqrt{2}>\mu>\sqrt{\frac{3}{2}}$
C $\sqrt{3}>\mu>\sqrt{2}$
D $\mu < \sqrt{\frac{3}{2}}$

Correct answer

B. $\sqrt{2}>\mu>\sqrt{\frac{3}{2}}$

Step-by-step solution

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