Viscosity and Coefficient of Viscosity

The ratio of SI and CGS unit of coefficient of viscosity is 10:1

Poise is a ______ unit of coefficient of viscosity.

A poise is _____ unit of viscosity.

What do you mean by 1 poise?

Viscosity is dimensionally represented as $\left[M^1{L}^x{T}^{-1}\right]$. The value of $x$ is _____ ?

Derive the dimensional formula for contact-area using coefficient of viscosity.

A layer of oil $1.5 \mathrm{mm}$ thick is placed between two microscope slides. A force of $5.5\times {10}^{-4} \mathrm{N}$ is required to glide one slide over the other at a speed of $1 \mathrm{cm} {\mathrm{s}}^{-1}$. If the coefficient of viscosity of the oil is $0.138 \mathrm{N} \mathrm{s} {\mathrm{m}}^{-2}$, then their contact area is _____.

Calculate the area of metal plate that is placed on a layer of castor oil of thickness $0.25\times {10}^{-3} \mathrm{m}$, as $2.5 \mathrm{N}$ of force is applied on the plate to move with velocity $3\times {10}^{-2} \mathrm{m} {\mathrm{s}}^{-1}$. The coefficient of viscosity of castor oil is $0.083\times {10}^3 \mathrm{N} \mathrm{s} {\mathrm{m}}^{-2}$.

Using the S.I. unit find the dimensional formula for coefficient of viscosity.

The possible CGS units of coefficient of viscosity is 

Which of the following are the possible S.I. units of coefficient of viscosity?

Explain the free fall of a spherical body in a viscous liquid and derive the expression for the viscous force acting on it.

Explain the importance of reynold's number.

On raising the temperature the viscosity of a gas :

In a plant , a sucrose solution of coefficient of viscosity $1.5\times {10}^{-3}{\mathrm{Nsm}}^{-2}$ is driven at the velocity of ${10}^{-3}{\mathrm{ms}}^{-1}$ through xylem vessels of radius  $2\mathrm{\mu m}$ and length $5\mathrm{\mu m}$.Find the hydrostatic pressure difference across the length of xylem vessels.

Explain why water flows faster than honey?

Define terminal velocity. Explain the observed rise of air bubbles in a liquid.

What is relative viscosity? How it is used to characterise a polymer?

The viscous force between two layers of a liquid acts:

Explain the difference between solid friction and viscocity.