A monoatomic ideal gas, initially at temperature T1, is enclosed in a cylinder fitted with a frictionless piston. The gas is allowed to expand adiabatically to a temperature. T2 by releasing the piston suddenly. IF L1 and L2 are teh lengths of the gas column before and after expansion respectively, then T1/T2 is given by
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a
b
L1/L2
c
L2/L1
d
answer is D.
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Detailed Solution
γ = 5/3TVγ-1= K⇒Tα 1/vγ-1But V = AL; A is constantVαL
A monoatomic ideal gas, initially at temperature T1, is enclosed in a cylinder fitted with a frictionless piston. The gas is allowed to expand adiabatically to a temperature. T2 by releasing the piston suddenly. IF L1 and L2 are teh lengths of the gas column before and after expansion respectively, then T1/T2 is given by