NEET 2026 Physics Prism MCQ Question

For an equilateral prism, the angle of the prism $A = 60°$. Since the refracted ray is parallel to the base, $i = e$. Using the prism formula $i + e = A + δ$, we have $2i - A = δ$. Substituting $i = 50°$, we get $2(50) - 60 = δ$, so $δ = 40°$.