At standard pressure and temperature the average speed of molecules is

Related MCQs

• If average kinetic energy of molecules is higher, then temperature of gas is
• Average kinetic energy of gas molecules is proportional to
• Measure of average kinetic energy of molecules is
• Van der Waals derived an expression for the ‘pressure defect’, if the observed pressure is denoted as ‘p’ and volume is denoted as ‘V’, the gas pressure in the bulk of the gas is equal to:
• In a perfectly elastic collision, the relative speed of approach and relative speed of separation are
• If a snail crawls 12 cm in 60 s then it's average speed in mm s -1 is {{}}
• If we double the temperature of an ideal gas, then it's average kinetic energy will be
• Speed of snail as compared to speed of a car will be in units {{}}
• Speed of Earth when a rock of mass 60 kg falling towards Earth with speed of 20 m s-1 is {{}}
• {{}} A white ball of mass 1.0 kg moving with initial speed u = 0.5 m s -1 collides with stationary red ball of same mass, they move forward making angle of 90° between their paths. Their speed is