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Question

The root mean square velocity of gas molecules at 00C will be if at N.T.P. its density is 1.43 Kg/ m3

  1. 461m/s
  2. 164m/s
  3. 461cm/s
  4. 164 cm/s

The correct answer is: 461m/s


    straight v subscript r m s end subscript equals square root of fraction numerator 3 P over denominator rho end fraction end root

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