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)

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

A squre metal plate of 10cm side moves parallel to another plate with a velocity of 10cm s^(-1), both plates immersed in water. If the viscous force is 200 dyne and viscosity of water is 0.01 poise, what is their distance a part.

Two parallel layers of water are moving with a relative velocity of 10 cm/s. What will be the velocity gradient if the perpendicular distance between the layers is 0.2 cm.

A square plate of 20 cm side moves over another plate with velocity 5 cm s^(-1) , both plates immersed in water. If the viscous force is 0.205 gf and viscosity of water is 0.01 poise, what is the separation between the plates?

A square metal plate of 5 cm side is moving parallel to another plate with a velocity of 10 cm/s. Both the plates are immersed in water. If the viscous force is 300 dyne and viscotity of water is 0.01 poise, then calculate the distance between the paltes.

A square plate of 0.1 m side moves parallel to a second plate with a velocity of 0.1 m//s , both plates being immersed in water. If the viscous force is 0.002 N and the coefficient of viscosity is 0.01 poise , distance between the plates in m is

A square plate 0.1 m side moves parrarel to second plate with a velocity of 0.1 ms^(-1) ,both plate being immersed in water .If the viscous force is 0.002 N and the cofficient of viscosity 0.001 poise, distance between the plate is

Two long straight wires, each carrying current of 5.0 A, are kept parallel to each other at a separation of 2.5 cm. The magnitude by 5.0 cm of a wire is

If two convex lenses of focal lengths 10 cm and 5 cm are kept in contact with each other , what is their combined focal length ?

Two large glass plates are placed vertically and parallel to each other inside a tank of water with separation between the plates equal to 1 mm. Find the rise of water in the space between the plates. Surface tension of water =0.075Nm^-1 .