JEE Main 2026 — Ray Optics Question with Solution
JEE Main 2026 (06 April Shift 2)
Question
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 __________.
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
For an equilateral prism, the angle of the prism is .
Given that the angle of minimum deviation is half of the angle of the prism:
The refractive index of the prism is given by:
Substituting the values of and :
Answer:
Given that the angle of minimum deviation is half of the angle of the prism:
The refractive index of the prism is given by:
Substituting the values of and :
Answer:
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This is a previous-year question from JEE Main 2026, covering the Ray Optics chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.