A litre of dry air at STP expands adiabatically to a volume of 3 litres. If \gamma = 1.40, the work done by air is : (3^1.4 = 4.6555) [Take air to be an ideal gas] [7-Jan-2020 Shift 1]

JEE Main 7 Jan 2020 Shift 1 Solved Paper

Section: Physics

Question : 6 of 75

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A litre of dry air at STP expands adiabatically to a volume of 3 litres. If γ=1.40, the work done by air is : (31.4=4.6555) [Take air to be an ideal gas]

[7-Jan-2020 Shift 1]

90.5 J
48 J
60.7 J
100.8 J

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