MCQ
When light rays are incident on a prism at an angle of $45^{\circ}$, the minimum deviation is obtained. If refractive index of the material of prism is $\sqrt{2}$, then the angle of prism will be
  • A
     $30^{\circ}$
  • B
     $40^{\circ}$
  • C
    $50^{\circ}$
  •  $60^{\circ}$

Answer

Correct option: D.
 $60^{\circ}$
$60^{\circ}$

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