JEE Main 2013 — Rotational Motion Question with Solution
JEE Main 2013 (23 Apr Online)
Question
A body of mass ' ' is tied to one end of a spring and whirled round in a horizontal plane with a constant angular velocity. The elongation in the spring is . If the angular velocity is doubled, the elongation in the spring is . The original length of the spring is :
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Correct answer
A
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This is a previous-year question from JEE Main 2013, covering the Rotational Motion 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.