1.

Which of the following is valid at absolute zero [Pb. CET 1985]

A.                 Kinetic energy of the gas becomes zero but the molecular motion does not become zero
B.                 Kinetic energy of the gas becomes zero and molecular motion also becomes zero
C.                 Kinetic energy of the gas decreases but does not become zero
D.                 None of the above
Answer» C.                 Kinetic energy of the gas decreases but does not become zero


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