JEE Main 2016PhysicsOscillationsEasyMCQ

JEE Main 2016Oscillations Question with Solution

JEE Main 2016 (10 Apr Online)

Question

In an engine the piston undergoes vertical simple harmonic motion with amplitude 7cm. A washer rests on top of the piston and moves with it. The motor speed is slowly increased. The frequency of the piston at which the washer no longer stays in contact with the piston, is close to :

Choose an option

Show full solutionCorrect option: B
Correct answer
B1.9 Hz

Step-by-step explanation

No contact    N=0

   amax=g=w2A

w= gA=100.07

f=w2π=1000712π=1.9 Hz

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About this question

This is a previous-year question from JEE Main 2016, 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.