question_answer

When one mole of monoatomic ideal gas at T K undergoes adiabatic change under a constant external pressure of 1 atm changes volume from 1 litre to 2 litre. The final temperature in Kelvin would be             [IIT 2005]

A)                 \[\frac{T}{{{2}^{(2/3)}}}\]            

B)                 T + \[\frac{2}{3\times 0.0821}\]

C)                 T             

D)                 T - \[\frac{2}{3\times 0.0821}\]