KcetRay OpticsKCET 2026MCQ+1 / -02026From the graph of angle of deviation versus angle of incidence for an equilateral prism, the refractive index of material of prism isA$\dfrac{\sqrt{3}}{2}$B$\dfrac{3}{2}$C$\sqrt{3}$D$\sqrt{2}$Check AnswerClear SelectionReveal AnswerShow Explanation