Random Molecular Motion
Particles bounce inside a box, faster as T rises.
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Complete revision notes and formulas for Kinetic Theory of Gases (Class 11). Curated for JEE, NEET, AP Physics, SAT, and CUET. Tap any topic to open the live simulation and full PYQ set.
Particles bounce inside a box, faster as T rises.
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Δp = 2mv per elastic hit — pressure builds.
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P = ⅓ ρ⟨v²⟩ — kinetic origin of pressure.
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Compare H₂, He, N₂, O₂, CO₂.
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⟨KE⟩ = (3/2) k_B T — linear in T.
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Speed distribution f(v) — peaks shift with T.
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PV = const at fixed T.
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V/T = const at fixed P.
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P/T = const at fixed V (Gay-Lussac).
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λ = 1/(√2 πd²n) — distance between collisions.
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Mono / diatomic / polyatomic — Cv, Cp, γ.
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Kinetic Theory of Gases on sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs). Free physics revision for Class 11, JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT Subject Physics, and CUET-UG.