Q. 300 mL of a gas at $27℃$ is cooled to $- 3℃$ at constant pressure. The final volume is
A) 350 L
B) 270 mL
C) 540 mL
D) 135 mL
Explanation
(b)
From Charles’ law $\frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}}$
$\frac{300\ mL}{300\ K} = \frac{V_{2}}{270\ K}$
$\left( V_{2} = 270\ mL \right)$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.