JEE Main 2025 — Wave Optics Question with Solution
JEE Main 2025 (2 Apr Shift 1)
Question
A light wave is propagating with plane wave fronts of the type constant. The angle made by the direction of wave propagation with the -axis is:
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
The direction of propagation of light is perpendicular to the wave front and is symmetric about and z axis.
Angle made by the light with axis is same.
are angle made by light with axis respectively)
Also [Sum of direction cosines]
Angle made by the light with axis is same.
are angle made by light with axis respectively)
Also [Sum of direction cosines]
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This is a previous-year question from JEE Main 2025, covering the Wave 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.