Kinetic Theory Of Gases Question 42

Question: Relation between pressure (P) and energy (E) of gas is

Options:

A) $ P=\frac{2}{3}E $

B) $ P=\frac{1}{3}E $

C) $ P=\frac{1}{2}E $

D) $ P=3E $

Show Answer

Answer:

Correct Answer: A

Solution:

[a] $ P=\frac{1}{3}Nmc^{2}=\frac{2}{3}\times ( \frac{1}{2}Nm )c^{2}=\frac{2}{3}K.E. $