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Solids expand on heating because...

Solids expand on heating because

A

kinetic energy of the atoms increase

B

potential energy of the atoms increases

C

total energy of the atoms increases

D

the potential energy curve is asymmetric about the equilibrium distance between neighbouring atoms.

Text Solution

Verified by Experts

The correct Answer is:
D
Expansion of solids can be explained on the basis of the fact that potential energy versus interatomic distance curve is asymmetric.
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