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NEET-XII-Physics

24: Kinetic Theory of Gases

with Solutions - page 4
Qstn# iv-13 Prvs-QstnNext-Qstn
  • #13
    A sample of 0.177 g of an ideal gas occupies 1000 cm3 at STP. Calculate the rms speed of the gas molecules.
    Ans : Here,
    V = 10-3 m3
    Density = 0.177 kgm-3
    P = 105pa
    `` C=\sqrt{\frac{3P}{\rho }}=\sqrt{\frac{3\times {10}^{5}}{0.177}}``
    `` =1301.9{\,\mathrm{\,ms\,}}^{-1}``