The `u_(rms )` of the molecules of a gas of density 4 `kg m^(-3)`and pressure `1.2times10^(5)Nm^(-2)` is `3times10^(a)` cm/sec. The value of a is ___________

The rms velocity molecules of a gas of density 4 kg m^(-3) and pressure 1.2 xx 10^(5) N m^(-2) is

The rms velocity molecules of a gas of density 4 kg m^(-3) and pressure 1.2 xx 10^(5) N m^(-2) is

The volume of a gas expands by 0.25 m^(3) at a constant pressure of 10^(3)Nm^(2) . The work done is equal to

The mean free path of molecules of a gas is 10^(-8) cm. if number density of gas is 10^(9)//cm^(3) calculate the diameter of the molecule

Find the total pressure inside a sperical air bubble of radius 0.2 mm. The bubble is at a depth 5 cm below the surface of a liquid of density 2 xx 10^(3) kg m^(-3) and surface tension 0.082 N m^(-1) . (Given : atmospheric pressure = 1.01 xx 10^(5) Nm^(-2) ) Hint : P_(i) = P_(o) + (2S)/(R) P_(o) = atmospheric pressure + gauge pressure of liquid column.

The molecules of a given mass of a gas have rms velocity of 200 m/s at 27^(@)C and 1.0 xx 10^(5) N//m_(2) pressure. When the temperature and pressure of the gas are respectively 127^(@)C and 0.05 xx 10^(5) Nm^(-2) , the rms velocity of its molecules in ms^(-1) is (a) (400)/(sqrt(3)) (b) (100sqrt(2))/(3) (c) (100)/(3) (d) 100sqrt(2)

The root mean square speed of gas molecules at a temperature 27K and pressure 1.5 bar is 1 xx 10^(4) cm//sec If both temperature and pressure are raised three times calculate the new rms speed of gas molecules .

A sample of a given mass of gas at a constant temperature occupies 95 cm^(3) under a pressure of 9.962 xx 10^(4) Nm^(-2) . At the same temperature its volume at a pressure of 10.13 xx 10^(4) Nm^(-2) is

To what height does a liquid of density 0.4 xx 10^(3) kg m^(-3) and surface tension 0.05 Nm^(-1) rise in a capillary tube of radius 0.2 mm when dipped in ? [Given cos theta = 0.4 g = 10 m s^(-2) ]

The molecules of a given mass of a gas have rms velocity of 200 m//s at 27^(@)C and 1.0 xx 10^(5) N//m_(2) pressure. When the temperature and pressure of the gas are respectively 127^(@)C and 0.05 xx 10^(5) Nm^(-2) , the rms velocity of its molecules in ms^(-1) is