Physics · 2026
NEET 2026 · 3 May · Code 11 · Q8
A ray of monochromatic light is passing through an equilateral prism (ABC) as shown in the figure. The refracted ray (QR) is parallel to its base…
A ray of monochromatic light is passing through an equilateral prism (ABC) as shown in the figure. The refracted ray (QR) is parallel to its base (BC) and the angle of incidence $\displaystyle (i)$ is $\displaystyle 50^{\circ}$. Then the angle of deviation $\displaystyle (\delta)$ is :

Official answer
From NTA’s provisional answer key for this paper. NTA published no final key for it.
(3)
$\displaystyle 40^{\circ}$
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NEET (UG) 2026 Physics question, with the answer from NTA’s provisional answer key. Where our answers come from.