Question

Internal energy and pressure of a gas per unit volume are related as

• A.
• B.
• C.
• D.

Answer 1

The correct option is A

$KE=\frac{3}{2}RT=\frac{3}{2}PV$

$\therefore P=\frac{2}{3}\frac{E}{V}$ for unit volume (V = 1) $\Rightarrow P=\frac{2}{3}E$