JEE Main 2023PhysicsWave OpticsEasyMCQ

JEE Main 2023 — Wave Optics Question with Solution

JEE Main 2023 (10 Apr Shift 2)

Question

The ratio of intensities at two points P and Q on the screen in a Young's double slit experiment where phase difference between two waves of same amplitude are π3 and π2, respectively are

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Show full solutionCorrect option: D
Correct answer
D3 : 2

Step-by-step explanation

The formula to calculate the intensity of the interference pattern in Young's double slit experiment can be written as

I=4I0cos2ϕ2   ...1

Hence, the ratio of the required intensities can be calculated as follows-

I1I2=4I0cos2π64I0cos2π4=3412=32

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About this question

This is a previous-year question from JEE Main 2023, 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.