Thermodynamics Question 60
Question: To calculate the amount of work done in joules during reversible isothermal expansion of an ideal gas, the volume must be expressed in
[KCET (Med.) 2001]
Options:
A) $ m^{3} $ only
B) $ dm^{3} $ only
C) $ cm^{3} $ only
D) Any one of them
Show Answer
Answer:
Correct Answer: D
Solution:
$ w=2.303RT\log \frac{V _{2}}{V _{1}}. $
As it involves the ratio $ \frac{V _{2}}{V _{1}} $ , volume can be used in any units. (R should be in joules).
