Question

Molar specific heat at constant volume is $C_{v}$ for a monoatomic gas is

• A. $\frac{3}{2}R$
• B. $\frac{5}{2}R$
• C. 3R
• D. 2R

Answer 1

Answer: (A)

$\frac{3}{2}R$

Answer 2

$C_{V} = \frac{f}{2}R$.For monoatomic gas

$f = 3$

Ž $(C_{V})_{\text{mono}} = \frac{3}{2}R$.