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प्रश्न
Determine the pressure of nitrogen at 0°C if the density of nitrogen at N.T.P. is 1.25 kg/m3 and R.M.S. speed of the molecules at N.T.P. is 489 m/s.
उत्तर
P = `1/3 "mN"/"V" "v"_"rms"^2 = 1/3 rho"v"_"rms"^2 = 1/3 xx 1.25 xx 489^2` = 99633.75 Nm.
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