An oil drop of radius `4xx10^(-4)` mm falls freely in air whose coefficient of visocsity is `1.8xx10^(-4)` paise. Calculate its terminal velocity if the density of oil is `0.9 gcm^(-3)` and that of air is `1.293 g litre^(-1)` and `g=9.80 cms^(-2)`

A rain drop of radius 0.5 mm has a terminal velocity in air 2 m/s. If the coefficient of viscosity of air is 1.8xx10^(-4) poise, the viscous drag on the rain drop will be

A drop of water of radius 0.0015 mm is falling in air. If the coefficient of viscosity of air is 1.8xx10^(-8)kgm^(-1)s^(-1) what will be the terminal velocity of the drop. Density of air can be neglected.

A drop of water of radius 0.0015 mm is falling in air .If the cofficient of viscosity of air is 2.0 xx 10^(-5) kg m^(-1)s^(-1) ,the terminal velocity of the drop will be (The density of water = 10^(3) kg m^(-3) and g = 10 m s^(-2) )

A drop of water of radius 0.001 mm is falling in air. If the coeffcient of viscosity of air is 1.8 xcx 10^(-5) kg m^(-1) s^(-1) , what will be the terminal velocity of the drop? Neglect the density of air.

A rain drop of radius 0.3 mm has a terminal velocity in air 1m/s. the viscosity of air is 18xx10^(-5) poise. The viscous force on it is-

A drop of water of radius 0.0015 mm is falling in air. If the coefficient of viscosity of air is 1.8 xx 10^(-3)kg//m^(3) , what will be the terminal velocity of the drop? Density of water = 1.0 xx 10^(3) kg//m^(2) and g = 9.8 N//kg . Density of air can be neglected.

If an oil drop of density 0.95xx10^(3)kg//m^(3) and radius 10^(-4) cm is falling in air whose density is 1.3 kg//m^(3) and coefficient of viscosity is 18xx10^(-6)kg//(m-s) . Calculate the terminal speed of the drop.

An air bubble (radius 0.4 mm) rises up in water. If the coefficient of viscosity of water be 1xx10^(-3)kg//(m-s) , then determine the terminal speed of the bubble density of air is negligible

A raindrop of radius 0.3 mm has a terminal velocity in air 1ms^(-1) . The viscosity of air is 18xx10^(-3) poise. The viscous force on it is

A rain drop of radius 0.3 mm falls through air with a terminal viscosity of 1 m s^(-1) . The viscosity of air is 18 xx 10^(-5) poise. The viscous force on the rain drop is