Question

If the mean free path of atoms is doubled then the pressure of gas will become

• A.
  
• B.
  
  
• C.
  
  
• D.
  
  

Answer 1

The correct option is B



As $\lambda =\frac{1}{\sqrt{2}}\frac{kT}{\pi d^{2}P}\therefore \infty \frac{1}{\lambda }$ i.e. by increasing l two times pressure will become half.