JEE Main 2021PhysicsOscillationsMediumNumerical

JEE Main 2021Oscillations Question with Solution

JEE Main 2021 (26 Feb Shift 2)

Question

Time period of a simple pendulum is T. The time taken to complete 58 oscillations starting from mean position is α12T. The value of α is ______.

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Show full solutionCorrect answer: 7
Correct answer
7

Step-by-step explanation

58th of oscillation =12+18th of oscillation

π+θ=ωt

π+π6=2πTt

7π6=2πTt

t=7T12

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About this question

This is a previous-year question from JEE Main 2021, covering the Oscillations 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.