JEE Main 2023PhysicsWaves and SoundEasyMCQ

JEE Main 2023 — Waves and Sound Question with Solution

JEE Main 2023 (31 Jan Shift 2)

Question

For a solid rod, the Young's modulus of elasticity is 3.2×1011 N m-2 and density is 8×103 kg m-3. The velocity of longitudinal wave in the rod will be

Choose an option

Show full solutionCorrect option: D
Correct answer
D6.32×103 m s-1

Step-by-step explanation

The velocity of longitudinal wave in the rod will be, v=Yρ=3.2×10118×103

=2×10310

≈6.32×103 m s-1

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About this question

This is a previous-year question from JEE Main 2023, covering the Waves and Sound 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.