JEE Physics
Molecular Speeds (rms, Average, Most Probable): JEE Questions & Solutions
11 previous-year JEE Physics questions on Molecular Speeds (rms, Average, Most Probable), each with a worked step-by-step solution.
Previous-year questions
- 01The r.m.s. speed of oxygen molecules at 47^° C is equal to that of the hydrogen molecules kept at ^° C. (Mass of oxygen molecule/mass of…MCQEasyJEE 2026
- 02The ratio of vapour densities of two gases at the same temperature is 4/25, then the ratio of r.m.s. velocities will be:MCQEasyJEE 2025
- 03At which temperature does the r.m.s. velocity of a hydrogen molecule equal that of an oxygen molecule at 47^° C?MCQEasyJEE 2024
- 04Given below are two statements: Statement I: The temperature of a gas is -73^° C. When the gas is heated to 527^° C, the root mean square…MCQEasyJEE 2023
- 05The root mean square velocity of molecules of gas is:MCQEasyJEE 2023
- 06At 300 K, the rms speed of oxygen molecules is √((α + 5)/α) times its average speed in the gas. Then the value of α will be (use π = 22/7):MCQEasyJEE 2023
- 07The temperature of an ideal gas is increased from 200 K to 800 K. If r.m.s. speed of gas at 200 K is v₀, then the r.m.s. speed of the gas…MCQEasyJEE 2023
- 08The ratio of speed of sound in hydrogen gas to the speed of sound in oxygen gas at the same temperature is:MCQEasyJEE 2023
- 09Three vessels of equal volume contain gases at the same temperature and pressure. The first vessel contains neon (monoatomic), the second…MCQEasyJEE 2023
- 10The root mean square speed of molecules of nitrogen gas at 27^° C is approximately: (Given mass of a nitrogen molecule = 4.6 × 10⁻²⁶ kg and…MCQEasyJEE 2023
- 11If the r.m.s. speed of chlorine molecules is 490 m/s at 27^° C, the r.m.s. speed of argon molecules at the same temperature will be (Atomic…MCQEasyJEE 2023
Frequently asked questions
Our bank has 11 previous-year JEE Physics questions tagged to Molecular Speeds (rms, Average, Most Probable), drawn from JEE papers between 2023 and 2026, including 1 from 2026 alone. Each comes with a full step-by-step solution.
Molecular Speeds (rms, Average, Most Probable) is rated Intermediate overall for JEE Physics. The PYQs on this page break down as 11 easy.
All 11 previous-year Molecular Speeds (rms, Average, Most Probable) questions in our bank are multiple-choice (MCQ) questions.
Based on recent paper analysis, Molecular Speeds (rms, Average, Most Probable) 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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