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Recent questions tagged telegram-1009

(chatquestion)...A monoatomic ideal gas in gravitational field extended from the surface of earth to a great height. Temperature of the gas is T and remains same at any height. At height 'h', number of molecular per unit volume 'n' is independent of time i.e., equilibrium maintained. On the surface of earth, n =no. Coefficient of viscosity of the gaseous medium is 7. Stoke's law is applicable. Radius of each spherical molecule is R. At height 'h', number of molecules diffuse upwards per unit area per second is given by-D Find the value of D. (Boltzman constant = K) dn dh КTпо (B) 6Tnr КTпо (D) KTno Зтг (C) 6πητ (A) КТпо 3πητ

asked May 7, 2020 by balaji.thirumalai

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