JEE Main 2024 Physics question

A sample of gas at temperature T is adiabatically expanded to double its volume. Adiabatic constant for the gas is γ = 3/2. The work done by the gas in the process is: (μ = 1 mole)

• (A)RT[ − 2]
• (B)RT[1 − 2]
• (C)RT[2 − 1]
• (D)RT[2 − ]Correct