MHT CET 2022 Physics question

A thermodynamic process of uncontrolled change satisfying the equation Q = W = 0, is [Q = heat supplied, W = work done]

(A)free expansionCorrect
(B)cyclic
(C)isochoric
(D)isothermal

Answer: (A)

Solution

A free (unrestrained) expansion of a gas into vacuum is a sudden, uncontrolled process: the gas does no work because there is no opposing pressure (), and it is so rapid and thermally isolated that no heat is exchanged (); hence

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-093932