JEE Main 2024PhysicsWave OpticsEasyMCQ

JEE Main 2024 — Wave Optics Question with Solution

JEE Main 2024 (01 Feb Shift 1)

Question

A monochromatic light of wavelength 6000 Ao is incident on the single slit of width 0.01 mm. If the diffraction pattern is formed at the focus of the convex lens of focal length 20 cm, the linear width of the central maximum is :

Choose an option

Show full solutionCorrect option: B
Correct answer
B24 mm

Step-by-step explanation

The linear width of central maxima is given by, 

W=2λDd=2×6×10−7×0.21×10−5

=2.4×10−2=24 mm

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About this question

This is a previous-year question from JEE Main 2024, 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.