JEE Main 2026 — Ray Optics Question with Solution
JEE Main 2026 (05 April Shift 1)
Question
A ray of light passing through an equilateral prism is having velocity m/s in the prism material, then the minimum angle of deviation is _________ degrees.
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Velocity of light in vacuum, m/s
Velocity of light in the prism, m/s
Refractive index of the prism material,
For an equilateral prism, the angle of the prism .
Using the prism formula:
Answer:
Velocity of light in the prism, m/s
Refractive index of the prism material,
For an equilateral prism, the angle of the prism .
Using the prism formula:
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.