JEE Main 2014 — Work Power Energy Question with Solution
JEE Main 2014 (19 Apr Online)
Question

A particle is released on a vertical smooth semicircular track from point so that, makes angle from the vertical (see figure). The normal reaction of the track on the particle vanishes at the point where makes an angle with the horizontal. Then
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Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
On losing contact 
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This is a previous-year question from JEE Main 2014, covering the Work Power Energy 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.