JEE Main 2020PhysicsWaves and SoundMediumMCQ

JEE Main 2020 — Waves and Sound Question with Solution

JEE Main 2020 (08 Jan Shift 2)

Question

A transverse wave travels on a taut steel wire with a velocity of v when tension in it is 2.06×104N. When the tension is changed to T, the velocity changed to v2. The value of T is close to:

Choose an option

Show full solutionCorrect option: B
Correct answer
B5.15×103 N

Step-by-step explanation

v∝T
⇒v1v2=T1T2⇒vv2=2.06×104T
⇒T=2.06×1044N=0.515×104N

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About this question

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