Thermodynamics Question 14

Question: The adiabatic elasticity of hydrogen gas $ (\gamma =1.4) $ at NTP is

[MP PMT 1990]

Options:

A) 1 J

B) $ -1\ J $

C) 2 J

D) ? 2 J

Show Answer

Answer:

Correct Answer: D

Solution:

$ dQ=0=-2+dW\Rightarrow dW=2\ J $

$ \Rightarrow $ Work done by the gas $ =2\ J $

$ \Rightarrow $ Work done on the gas $ =-2\ J $



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