Question

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

(1) q = 0, ∆T < 0, W≠0
(2) q = 0, ∆T ≠ 0, w = 0
(3) q≠0, ∆T = 0, w = 0
(4) q = 0, ∆T = 0, w = 0
​

Answer 1

answer - 3 is the correct option