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  • A light ray falls on a glass surface of the refractive index  at an angle <img alt="60^{\circ}" src="/latex-image/?60%5E%7B%5Ccirc%7D"

A light ray falls on a glass surface of the refractive index \sqrt{3} at an angle 60^{\circ}. The angle between the refracted and reflected rays would be.

Option: 1

60^{\circ}


Option: 2

90^{\circ}


Option: 3

120^{\circ}


Option: 4

30^{\circ}


Answers (1)

best_answer

\begin{aligned} & \angle r=\angle i=60^{\circ} (\text{Laws of reflection})\\ & \mu_{1} \sin i=\mu_{2} \sin r'\\ & 1 \times \sin 60^{\circ}=\sqrt{3} \sin r' \\ & \Rightarrow r'=30^{\circ} \end{aligned}

The angle between the refracted and reflected rays would be
\begin{aligned} (180-(r+r'))=90^{\circ} \end{aligned}

 

Posted by

HARSH KANKARIA

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