NEET Solved Paper 2014 Question 19
Question: The mean free path of molecules of a gas, (radius r) is inversely proportional to [AIPMT 2014]
Options:
A) $ r^{3} $
B) $ r^{2} $
C) r
D) 4r
Show Answer
Answer:
Correct Answer: B
Solution:
Mean free path $ l=\frac{1}{n\pi r^{2}} $ $ l\propto \frac{1}{r^{2}} $