A litre of dry air at STP expands adiabatically to a volume of 3 litres

PHYSICS · Single correct · CBSE · Physics · Thermodynamics · Thermodynamics

Problem

A litre of dry air at STP expands adiabatically to a volume of 3 litres. If γ=1.40\gamma = 1.40 , the work done by air is: ( 31.4=4.65553^{1.4} = 4.6555 ) [Take air to be an ideal gas] (1) 60.7 J (2) 90.5 J (3) 100.8 J (4) 48 J

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