A monatomic ideal gas, initially at temperature T 1 , is enclosed in a cylinder fitted…
Physics · NEET · NTA Exams — Thermodynamics
A monatomic 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
- \(\left(\frac{L_{1}}{L_{2}}\right)^{\frac{2}{3}}\)
- \(\frac{L_{1}}{L_{2}}\)
- \(\frac{\mathrm{L}_{2}}{\mathrm{~L}_{1}}\)
- \(\left(\frac{L_{2}}{L_{1}}\right)^{\frac{2}{3}}\)
Answer
(D) ( L_ 2 L_ 1 )^ 2 3
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