A horizontal ray of light passes through a prism of refractive index 1.5 and apex angle 4^ ^ ^ and then strikes a vertical plane mirror placed to the right of the prism. If after reflection, the ray is to be horizontal

Correct answer: A. 1^ ^ ^ clockwise No Solution

Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Ray Optics

Olympiad workbook · NSEP · Ray Optics

A horizontal ray of light passes through a prism of refractive...

A horizontal ray of light passes through a prism of refractive index 1.5 and apex angle

4^{{}^{{}^{\circ}}}

and then strikes a vertical plane mirror placed to the right of the prism. If after reflection, the ray is to be horizontal, then the mirror must be rotated through an angle

Options

A $1^{{}^{{}^{\circ}}}$ clockwise
B $1^{{}^{{}^{\circ}}}$ anticlockwise
C $2^{{}^{{}^{\circ}}}$ clockwise
D $2^{{}^{{}^{\circ}}}$ anticlockwise

Correct answer

A. $1^{{}^{{}^{\circ}}}$ clockwise

Step-by-step solution

No Solution

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