JEE Main 2019PhysicsWave OpticsDiffraction And Doppler Effect Of LighteasyMCQ

JEE Main 2019Wave Optics Question with Solution

From: JEE Main 2019 (Online) 8th April Evening Slot

Question

Calculate the limit of resolution of a telescope objective having a diameter of 200 cm, if it has to detect light of wavelength 500 nm coming from a star :-

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Show full solutionCorrect option: C
Correct answer
C305 × 10–9 radian

Step-by-step explanation

Limit of resolution of telescope



= 305 × 10–9 radian

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About this question

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.