Physics · 2026
JEE Main · 6 April 2026, Shift 2 · Q42
Angle of minimum deviation is equal to the half of the angle of prism in an equilateral prism. The refractive index of the prism is ____.
Angle of minimum deviation is equal to the half of the angle of prism in an equilateral prism. The refractive index of the prism is $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle \sqrt{2}$
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.