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MHT CET Physics question

PhysicsKinetic Theory of GasesMHT CET

If the r. m. s. speed of gas molecules is 400 m/s, then the density of that gas at N. T. P. in kg/m is [Take atmospheric pressure P = N/m] [MHT-CET 2019]

Answer: (A)

Solution

gives \frac{3P}{v^2}\frac{3×10^5}{1.6×10^5}\f$

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Question ID VK-063886