JEE Main 2021PhysicsOscillationsMediumMCQ

JEE Main 2021Oscillations Question with Solution

JEE Main 2021 (24 Feb Shift 2)

Question

In the given figure, a body of mass M is held between two massless springs, on a smooth inclined plane. The free ends of the springs are attached to firm supports. If each spring has spring constant k, the frequency of oscillation of given body is:

Choose an option

Show full solutionCorrect option: D
Correct answer
D12π2kM

Step-by-step explanation

Keq=K1+K2=K+K=2K

T=2πmKeq=2πm2 K

f=1 T=12π2K m

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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.