Q. When an ideal monoatomic gas is heated at constant pressure, fraction of heat energy supplied which increases the internal energy of gas is
A) 2/5
B) 3/5
C) 3/7
D) 3/4
Explanation
(b) $\frac{dU}{dQ} = \frac{C_{v}dT}{C_{p}dT} = \frac{C_{v}}{C_{p}} = \frac{(3/2)R}{(5/2)R} = \frac{3}{5}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.