JEE Main 2020PhysicsWave OpticsEasyMCQ

JEE Main 2020 — Wave Optics Question with Solution

JEE Main 2020 (03 Sep Shift 1)

Question

In a Young's double slit experiment, light of 500nm is used to produce and interference pattern. When the distance between the slits is 0.05mm, the angular width (in degree) of the fringes formed on the distance screen is close to :

Choose an option

Show full solutionCorrect option: B
Correct answer
B0.57°

Step-by-step explanation

β0=λd=500×10−95×10−5=10−2 rad

 ∴β0=0.57°

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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.