JEE Main 20207 Jan, Morning shiftPhysicsEasyThermodynamics163× since 2002
A litre of dry air at STP expands adiabatically to a volume of 3 litres. If = 1.40, the work done by air is : (31.4 = 4.6555) [Take air to be an ideal gas]
JEE Main 2020 · 7 Jan, Morning shift · Q7483