Lattice vibrations — CSIR Net PYQ (Question 2)

A Lattice vibrations previous-year question (PYQ) from Solid State Physics (CSIR Net). Read the question, check the correct answer, then practise the full topic.

Question 2 of 6 · 5.0 marks

At low temperatures, in the Debye approximation, the contribution of the phonons to the heat capacity of a two dimensional solid is proportional to

1 $T^{2}$
2 $T^{3}$
3 $T^{1/2}$
4 $T^{3/2}$

Correct answer: Option 1

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This Lattice vibrations PYQ is part of the Solid State Physics section of CSIR Net. Browse more Lattice vibrations questions or join the PhysicsByAaryan live batch for full conceptual coverage.