Kinetic Theory of Gases
Class 11 · Kinetic Theory of Gases · Practice
Mean Free Path — Previous-Year Questions
5 previous-year questions on Mean Free Path, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.
Q1. Mean free path of air molecules at 1 atm and 25°C is approximately:
JEE 2022Q2. If number density n is halved (same T), mean free path:
JEE 2021Q3. Mean free path vs altitude (Earth's atmosphere):
JEE 2020Q4. If molecular diameter d is doubled (same n), λ:
JEE 2019Q5. Collision frequency at sea level for air:
JEE 2018Mean Free Path previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 11 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.