JEE Main 2020PhysicsWave OpticsHuygens Principle And Interference Of LightmediumMCQ

JEE Main 2020Wave Optics Question with Solution

From: JEE Main 2020 (Online) 8th January Evening Slot

Question

In a double slit experiment, at a certain point on the screen the path difference between the two interfering waves is th of a wavelength. The ratio of the intensity of light at that point to that at the centre of a bright fringe is :

Choose an option

Show full solutionCorrect option: A
Correct answer
A0.853

Step-by-step explanation

X =

= X = =

I = I0

=

= = 0.853

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About this question

This is a previous-year question from JEE Main 2020, 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.