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 $