NEET Physics Thermodynamics Questions Solved

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 the lengths of the gas column before and after expansion respectively, then T1/ T2 is given by -

(1) L1L22/3

(2) L1L2

(3) L2L1

(4) L2L12/3

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