A solid expands upon heating because
A solid expands upon heating because
- [KVPY 2014]
- A
the potential energy of interaction between atoms in the solid is asymmetric about the equilibrium positions of atoms
- B
the frequency of vibration of the atoms increases
- C
the heating generates a thermal gradient between opposite sides
- D
a fluid called the caloric flows into the interatomic spacing of the solid during heating there by expanding it
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