Question Detail

PHY 101 PHY 101 Past Questions Objective Question

Question

A gas at 46 K is heated at constant pressure until its volume is doubled. What is the final temperature?
Options
A 23 K
B 49 K
C 92 K
Correct Answer
D 121 K
Correct Answer

Option C is the correct answer.

Detailed Explanation

At constant pressure, V ∝ T. Doubling volume doubles temperature: T₂ = 2 × 46 = 92 K.

Hint

Use Charles’ law.

Question Info