JEE Main 2021PhysicsThermal Properties of MatterMediumMCQ

JEE Main 2021Thermal Properties of Matter Question with Solution

JEE Main 2021 (25 Jul Shift 1)

Question

Two different metal bodies A and B of equal mass are heated at a uniform rate under similar conditions. The variation of temperature of the bodies is graphically represented as shown in the figure. The ratio of specific heat capacities is:

Choose an option

Show full solutionCorrect option: B
Correct answer
B38

Step-by-step explanation

ΔQΔtA=ΔQΔtB

mSAΔTΔtA=mSBΔTΔtB

SASB=ΔTΔtAΔTΔtB=90/6120/3=1540=38

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About this question

This is a previous-year question from JEE Main 2021, 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.