JEE Main 2013 — Thermal Properties of Matter Question with Solution
JEE Main 2013 (25 Apr Online)
Question
A mass of of water in a closed vessel, with surroundings at a constant temperature takes 2 minutes to cool from to . A mass of of another liquid in an identical vessel with identical surroundings takes the same time to cool from to . The specific heat of the liquid is :
(The water equivalent of the vessel is .)
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
As the surrounding is identical, vessel is identical time taken to cool both water and liquid (from to ) is same 2 minutes, therefore
or,
water equivalent of the vessel
or,
Specific heat of liquid,
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This is a previous-year question from JEE Main 2013, covering the Thermal Properties of Matter 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.