Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Thermodynamics First Law of Thermodynamics Application of First Law to Closed System
Two litres of an ideal gas at a pressure of 10 atm expands isothermally into a vacuum until its total volume is 10 litres. How much heat is absorbed in the expansion ?
1
10 Joule
2
80 Joule
3
Zero
4
-80 Joule
5
Question Not Attempted