Question

Case-1: An ideal gas of molecular weight M at temperature T.
Case-2: Another ideal gas of molecular weight 2M at the temperature $\frac{T}{2}$.
Identify the correct statement in the context of the above two cases.

• A. Average kinetic energy and average speed will be the same in the two cases.
• B. Both the averages are halved
• C. Both the averages are doubled.
• D. Only average speed is halved in the second case.

Answer 1

Answer: (B)

Both the averages are halved

Answer 2

The correct answer is option (B): Both the averages are halved