To what height does the liquid rise in a capillary tube of radus 0.25 mm, when dipped in a liquid of density `0.8 xx 10^(3) kg m^(-3)` and surface tension 0.05 N `m^(-1)`? Given `(cos theta = 0.4)`

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.

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 rise in the water level in a capillary tube of radius 0.07 cm when dipped veryically in a beaker containing water of surface tension 0.07 N m^(-1) is (g = 10 m s^(-2) )

With what terminal velocity will an air bubble of radius 0.2 mm. rise in a liquid of viscosity 0.15 Nsm^(-2) and specific gravity 0.9 ? Density of air 1.3 kg m^(-3)

A barometer contains two uniform capillries of radii 1.44 xx 10^(-3)m and 7.2 xx 10^(-4)m . If the height of the liquid in the narrow tube is 0.2 m more than that in the wide tube, calculate the true pressure difference. Density of liquid = 10^(3) kg//m^(3) , surface tension = 72 xx 10^(-3) N//m and g = m//s^(2) .

Choose the correct option: A capillary tube of radius r is lowered into a liquid of surface tension T and density rho . Given angle of contact =0^(@) . The work done by surface tension will be

Calculate the height to which water will rise in a capillary tube of diameter 1xx10^(-3) m [given surface tension of water is 0.072Nm^(-1) angle of contact is 0^(@),g=9.8ms^(-2) and density of water =1000kgm^(-3) ]

Calculate the pressure indise a small air bubble of radius 0.01 mm situated at a depth of h=20 m below the fre surface of liquid of density rho_(1)=10^(3)kg//m^(3), rho_(2)=800km//m^(3) and surface tension T_(2)=7.5xx10^(-2)N//m. The thickness of the first liqid is h_(1)=15 m and h_(2)=25m .

Two capillary tubes of radii 0.2 cm and 0.4 cm are dipped in the same liquid.The ratio of heights through which liquid will rise in the tube is

A barometer contains two uniform capillaries of radii 1.4xx10^(-3)m and 7.2xx10^(-4)m . If the height of liquid in narrow tube is 0.2m more than that in wide tube, calculate the true pressure difference. Density of liquid =10^(3)kg//m^(3) , surface tension =72xx10^(-3)N//m and g=9.8ms^(-12) .