166 JEE Main Kinetic Theory of Gases PYQs (2002–2026) with verified answers and step-by-step solutions.
This page collects every JEE Main Kinetic Theory of Gases previous-year question from Physics, 2002–2026. Each links to a full solution with a verified answer key. Click any year above to narrow the list, or open a question to study its step-by-step working and then practice it on PrepSharp's CBT player.
If 2 mole of an ideal monoatomic gas at temperature T, is mixed with 6 mole of another ideal monoatomic gas at temperat…
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Statement I: Chang…
The volume of an ideal gas increases 8 times and temperature becomes (1 / 4)th of initial temperature during a reversib…
A cylindrical tube A B of length l, closed at both ends contains an ideal gas of 1 mol having molecular weight M. The t…
Consider two boxes containing ideal gases A and B such that their temperatures, pressures and number densities are same…
The r.m.s. speed of oxygen molecules at 47ⁱrc C is equal to that of the hydrogen molecules kept at \\\\_ ⁱrc C. (Mass o…
A mixture of carbon dioxide and oxygen has volume 8310 cm³, temperature 300 K, pressure 100 kPa and mass 13.2 g. The nu…
The mean free path of a molecule of diameter 5 × 10⁻¹⁰ ~m at the temperature 41ⁱrc C and pressure 1.38 × 10⁵ ~Pa, is gi…
A gas of certain mass filled in a closed cylinder at a pressure of 3.23 kPa has temperature 50ⁱrc C. The gas is now hea…
One gas of n₁ mole of molecules at temperature T₁, volume V₁, and pressure P₁, and another gas of n₂ mole of molecules…
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