JEE Main 2013 — Ray Optics Question with Solution
JEE Main 2013 (09 Apr Online)
Question
Light is incident from a medium into air at two possible angles of incidence (A) and (B) . In the medium light travels in . The ray will :
Choose an option
Show full solutionCorrect option: B
Correct answer
Bsuffer total internal reflection in case (B) only
Step-by-step explanation
Velocity of light in medium
Refractive index of the medium
As
Condition of TIR is angle of incidence i must be greater than critical angle. Hence ray will suffer TIR in case of only.
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This is a previous-year question from JEE Main 2013, 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.