Physics · 2026
JEE Main · 23 January 2026, Shift 1 · Q41
A thin prism with angle 5° of refractive index 1.72 is combined with another prism of refractive index 1.9 to produce dispersion without deviation.…
A thin prism with angle $\displaystyle 5$° of refractive index $\displaystyle 1.72$ is combined with another prism of refractive index $\displaystyle 1.9$ to produce dispersion without deviation. The angle of second prism is $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 4$°
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.