Which of the following is correct option for free expansion of an ideal gas under adiabatic condition?

Which of the following is correct option for free expansion of an idea

1.	Which of the following is correct option for free expansion of an ideal gas under adiabatic condition?
Answer» `q=0,DELTAT LT0,w cancel(=) 0` `q=0, DeltaTcancel(=) 0,w=0` `qcancel(=) 0,DeltaT , w=0` `q=0,DeltaT=0,w=0` Solution :For adiabatic expansion, `q=0` For free expansion, `P_(EXT) = 0`. Hence,`w-0` `DeltaU = q+w=0+0=0`. As U is a function of TEMPERATURE `( U = (3)/(2) nRT)` and as `DeltaU = 0,:.DeltaT =0`