Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Kinetic Theory

Question:

The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio of specific heat at constant pressure to that at constant volume is :

Options:

7/5

6/7

9/7

4/7

Correct Answer:

7/5

Explanation:

CP = \(\frac{7}{2}R\)

⇒ CV = CP – R = \(\frac{5}{2}\) R

\(\gamma = \frac{C_P}{C_V} \)

\(\gamma = \frac{7}{5}\)