Physics · 2026
JEE Main · 21 January 2026, Shift 2 · Q43
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…
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 $\displaystyle \sqrt{2}$, the angle $\displaystyle \theta$ of prism is.
If refractive index of the material of prism is $\displaystyle \sqrt{2}$, the angle $\displaystyle \theta$ of prism is.Official answer
From NTA’s final answer key for this paper.
(2)
$\displaystyle 60^{\circ}$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.