JEE Physics
Mean Free Path & Avogadro's Number: JEE Questions & Solutions
5 previous-year JEE Physics questions on Mean Free Path & Avogadro's Number, each with a worked step-by-step solution.
Previous-year questions
- 01Consider two boxes containing ideal gases A and B such that their temperatures, pressures and number densities are same. The molecular size…MCQMediumJEE 2026
- 02The mean free path of a molecule of diameter 5×10⁻¹⁰ m at temperature 41^° C and pressure 1.38×10⁵ Pa is given as m. (Given k_B=1.38×10⁻²³…MCQEasyJEE 2026
- 03The mean free path and the average speed of oxygen molecules at 300 K and 1 atm are 3 × 10⁻⁷ m and 600 m/s, respectively. Find the…MCQEasyJEE 2025
- 04The number of air molecules per cm³ increased from 3×10¹⁹ to 12×10¹⁹. The ratio of collision frequency of air molecules before and after…MCQEasyJEE 2023
- 05The mean free path of molecules of a certain gas at STP is 1500d, where d is the diameter of the gas molecules. While maintaining the…MCQEasyJEE 2023
Frequently asked questions
Our bank has 5 previous-year JEE Physics questions tagged to Mean Free Path & Avogadro's Number, drawn from JEE papers between 2023 and 2026, including 2 from 2026 alone. Each comes with a full step-by-step solution.
Mean Free Path & Avogadro's Number is rated Intermediate overall for JEE Physics. The PYQs on this page break down as 4 easy, 1 medium.
All 5 previous-year Mean Free Path & Avogadro's Number questions in our bank are multiple-choice (MCQ) questions.
Based on recent paper analysis, Mean Free Path & Avogadro's Number is worth about 1 mark in JEE Main. It sits in Kinetic Theory of Gases, a Class 11 Physics chapter.
More Kinetic Theory of Gases topics
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