JEE Main 2015PhysicsKinetic Theory of GasesEasyMCQ

JEE Main 2015Kinetic Theory of Gases Question with Solution

JEE Main 2015 (11 Apr Online)

Question

Using equipartition of energy, the specific heat (in J kg-1 K-1 ) of Aluminium at high temperature can be estimated to be (atomic weight of Aluminium =27)

Choose an option

Show full solutionCorrect option: D
Correct answer
D925

Step-by-step explanation

Solid atom possesses 6 degrees of freedom due to vibrations at high temperature.

Cv=12fR=6R2=3R for 1 mole
Specific heat capacity in J kg-1 K-1=CvM

=3RM=3×8.31427×1000

925

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About this question

This is a previous-year question from JEE Main 2015, covering the Kinetic Theory of Gases 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.