Properties Of Solids And Liquids Question 512

Question: Absolute zero (0 K) is that temperature at which [AFMC 1993]

Options:

A) Matter ceases to exist

B) Ice melts and water freezes

C) Volume and pressure of a gas becomes zero

D) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

We know that $ P=P _{0}(1+\gamma t) $ and $ V=V _{0}(1+\gamma t) $

and $ \gamma =(1/273)/{}^\circ C $ for $ t=-273{}^\circ C $ , we have $ P=0 $ and $ V=0 $

Hence, at absolute zero, the volume and pressure of the gas become zero.



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