Question

One mole of a perfect gas in a cylinder fitted with a piston has a pressure P, volume V and temperature T. If the temperature is increased by 1 K keeping pressure constant, the increase in volume is

• A.
• B.
• C.
• D. V

Answer 1

Answer: (C)

For isobaric process $\frac{V_2}{V_1}=\frac{T_2}{T_1}\Rightarrow V_2=V\times \frac{274}{273}$

Increase = $\frac{274V}{273}-V=\frac{V}{273}$