A certain gas diffuses from two different vessels A and B. The vessel A has a circular orifice while vessel B has square orifice of length equal to the radius of the orifice of vessel A. The ratio of

Question

A certain gas diffuses from two different vessels A and B. The vessel A has a circular orifice while vessel B has square orifice of length equal to the radius of the orifice of vessel A. The ratio of the rates of diffusion of the gas from vessel A to vessel B, assuming same temperature and pressure is

Prashant Kotian · Accepted Answer

Correct answer: A. Rate of diffusion is directly ∝ area of orifice . Area A (circle) = π*r^2 . Area B (square) = r^2 . Ratio of rates = π*r^2 / r^2 = π .

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