JEE Main 2020PhysicsThermal Properties of MatterMediumNumerical

JEE Main 2020 — Thermal Properties of Matter Question with Solution

JEE Main 2020 (07 Jan Shift 1)

Question

A non-isotropic solid metal cube has coefficients of linear expansion as: 5× 10 −5 / o C along the x-axis and 5× 10 −6 / o C along the y and the z-axis. If the coefficient of volume expansion of the solid is C× 10 −6 / o C then the value of C is _____________

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Show full solutionCorrect answer: 60
Correct answer
60

Step-by-step explanation

V=2α2+α1
=10×10-6+5×10-5
=60× 10 −6 / o C

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About this question

This is a previous-year question from JEE Main 2020, 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.