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AP EAMCET202420 May 2024Morning ShiftPhysicsKinetic Theory of GasesActual

When the temperature of a gas is raised from 27^ C to 90^ C . The increase in the rms velocity of the gas molecules is

Options

  1. A10 %
  2. B15 %
  3. C20 %
  4. D17.5 %

Correct answer

A. 10 %

Step-by-step solution

The rms speed of the gas molecule is v= 3 R T M v T v ₂ v ₁ = T ₂ ~T ₁ = (273+90) (273+27) = 11 10 % change in rms speed is % v = v ₂- v ₁ v ₁ 100= 11 10 v ₁- v ₁ v ₁ 100=10 %

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