JEE Main 20205 Sep, Morning shiftPhysicsMediumThermodynamics163× since 2002
Number of molecules in a volume of 4 cm³ of
a perfect monoatomic gas at some temperature
T and at a pressure of 2 cm of mercury is close
to?
(Given, mean kinetic energy of a molecule
(at T) is 4 10^–14 erg, g = 980 cm/s², density of
mercury = 13.6 g/cm³)