JEE Main 2019 — Wave Optics Question with Solution
JEE Main 2019 (11 Jan Shift 1)
Question
In a Young's double slit experiment, the path difference, at a certain point on the screen, betwen two interfering waves is th of wavelength. The ratio of the intensity at this point to that at the centre of a bright fringe is close to:
Choose an option
Show full solutionCorrect option: B
Correct answer
B0.85
Step-by-step explanation
Given, path difference,
Phase difference is given by
For two sources in different phases,
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This is a previous-year question from JEE Main 2019, 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.