Question

Estimate the mean free path and collision frequency of a nitrogen molecule in a cylinder containing nitrogen at 2 atm and temperature $17^0C$. Take the radius of a nitrogen molecule to be $1A^0$ . (Molecular mass of nitrogen,= 28u)

• A. $4.58 \times 10^9\,s^{-1}$
• B. $2.5 \times 10^{10}\,s^{-1}$
• C. $9.1 \times 10^{11}\,s^{-1}$
• D. $6.2 \times 10^9\,s^{-1}$

Answer 1

Answer: (A)

Correct answer is (a) $4.58 \times 10^9\,s^{-1}$