Find the viscous drag between the two liquid layers each of area 100 `cm^(2)`, and having relative velocity 8 cm `s^(-1)`. The viscosity of the liquid is 0.004 PI and the layers are separated by a distance 4 cm.

There are two waves having wavelength 100 cm and 101 cm and same velocity 303 ms^(-1) . The beat frequency is

The coefficient of viscosity of a liquid of sigma = 1.0 CGS units as determined by measuring the terminal velocity of a spherical solid ball of density p= 1.5 CGS units inside the liquid. If the ball of radius 1.00cm attain terminal velocity 1cm/s, then the viscosity (in CGS units) of the liquid as calculated from the observations of the experimental is: [Take g=10m//s^(2) ]

The surface area of a sphere is 100pi cm^(2) . Find its volume.

two waves of wavelength 100 cm and 102 cm produce 12 beats per second having same velocity. the velocity of each wave is

Two glass plates each of length 16 cm and breadth 8 cm move parallel to each other in water with a relative velocity of 6 cm s^(-1) . If the viscous force is 175 xx 10^(-5) N, what is their distance of separation ? (Given eta_("water") = 0.001 PI)

There is a 1mm thick layer of glycerine between a flat plate of area 100cm^(2) and and a big plate. If te coefficient of viscosity of glycerine is 1.0kg//m-sec , then how much force is required to move the plate with a velocity of 7 cm/sec.

Two square metal plates, each of side 10 cm are immersed in water. One plate moves parallel to the other with a velocity of 5 cm s^(-1) . If the viscous force is 150 dyne, what is their distance of separation ? Given eta_("water") = .001 PI

An air bubble of diameter 2 cm is allowed to rise through a long cylindrical column of viscous liquid and travels at the rate of 0.21 cm s^(-1) . If the density of the liquid is 1.47 g cm^(-3) . find the coefficient of viscosity. Density of air is neglected.

According to Newton, the viscous force acting between liquid layers of area A and velocity gradient (Deltav)/(Deltaz) is given by F =- eta A (dv)/(dz) , where eta is constant called

The plates of a parallel plate capacitance 1.0 F are separated by a distance d =1 cm. Find the plate area .