As shown in the diagram, when the incident ray is parallel to bas… | JEE Main 2026 Physics PYQ

MCQMediumJEE Main 2026 · 21 January, Shift 2Prisms & Total Internal Reflection

As shown in the diagram, when the incident ray is parallel to base of the prism, the emergent ray grazes along the second surface. If refractive index of the material of prism is $\sqrt{2}$ , the angle $\theta$ of prism is :

$Prism diagram showing a horizontal incident ray entering the left face, internal refraction inside the prism, left base angle marked 45 degrees, and the right base angle marked theta.$

A
$90^\circ$
B
$45^\circ$
C
$75^\circ$
D
$60^\circ$

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