JEE Main 2026 — Wave Optics Question with Solution
JEE Main 2026 (06 April Shift 1)
Question
In interference experiment the path difference between two interfering waves at a point on the screen is , where is the wavelength of these waves, and at another point the path difference is . The ratio of intensities at points and is _______.
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
The phase difference is related to the path difference by the relation .
For point , the path difference is .
The intensity at point is given by .
For point , the path difference is .
The intensity at point is given by .
The ratio of intensities at points and is:
Answer:
For point , the path difference is .
The intensity at point is given by .
For point , the path difference is .
The intensity at point is given by .
The ratio of intensities at points and is:
Answer:
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This is a previous-year question from JEE Main 2026, 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.