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Ray Optics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsRay Optics1 Mark
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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