question_answer

Which of the following is correct option for   free expansion of an ideal gas under adiabatic condition? [AIPMT (S) 2011]

A)  \[q\ne 0,\Delta T=0,W=0\]

B)       \[q=0,\Delta T=0,W=0\]

C)       \[q=0,\Delta T<0,W\ne 0\]

D)  \[q=0,\Delta T\ne 0,W=0\]

Correct Answer: B

Solution :

For an adiabatic process, q = 0 and for free expansion,