An oiddroplet of `10^-4` cm radius and `0.95 g//cm^3` density is falling into air. The .density of air is `0.001293 g//cm^3` and the coefficient of viscosity is `181xx10^-6` CGS unit. Find the terminal velocity of the- droplet.

If the density of air is 0.001293g/ cm^(3) at STP then-

An oil drop of density 950 kg. m^-3 and radius 10^-6 m is falling through air. The density of air is 1.3 kg. m^-3 and its coefficient of viscosity is 181xx10^-7 SI unit. Determine the terminal velocity of the oil drop. [g=9.8m. S^-2]

A oil bubble of 0.95 g//mc^3 density and 10^-4 cm radius is falling in the midst of air. If the density of air be 0.0013 g//cm^3 and the coefficient of viscocity be 181 xx 10^-6 CGS units then find out the terminal velocity, [g =.980 cm//s^2]

A oil droplet of density 0.97 g//cm^3 and radius 10^-4 cm is falling down through air, density & coefficient of viscosity of air is 0.0013 g//cm^3 and 181 xx 10^-6 CGS respectively. Calculate the terminal velocity of the water droplet, (g = 980 cm//s^2) .

At STP, density of air is 1.3xx10^(-3)g*cm^(-3) . Vapour density of air is-

A metal ball of radius 2 mm and density 10.5g. Cm^-3 is dropped in glycerine of coefficient of viscosity 9.8 dyn. Cm^-2.s and density 1.5 g. cm^-3. Find the terminal velocity (in cm. s^-1. ) of the ball.

The density of lead is 11.35 g cm^(-3) and the metal crystallises with fcc unit cell. Estimate radius of lead atom.

A sphere of radius 7 cm contains 56% iron. If the density of the sphere is 1.4g/ cm^(3) , then the approximate amount of iron present is-

A rain drop of radius 0.5 mm has a terminal velocity in air 2m/sec. The viscosity of air is 18xx10^-5 poise . Find the viscous force on the raindrop.