MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Vapour Pressure

Using method ...

Question

Using method of dimension, derive an expression for rate of flow(V) of a liquid through a pipe of radius(r) under a pressure gradient (p/l).Given that V also depend on coefficient of viscocity(*) of the liquid.

Open in App

Solution

Suggest Corrections

thumbs-up

44

Similar questions

Q. The volume of a liquid (v) flowing per second through a cylindrical tube depends upon the pressure gradient (p/l) radius of the tube (r) coefficient of viscosity (

η

) of the liquid by dimensional method the correct formula is

Q. The hydrostatic pressure 'P' of a liquid column depends upon the density 'd' , height 'h' of liquid column and also an acceleration 'g; due to gravity. Using dimensional analysis, derive formula for pressure P.

Q. The rate of flow of a liquid through a capillary tube of length

L

r

under a pressure difference

p

is given by the poiseuille's formula

V = π p r^{4} / 8 η L

. Determine the dimensions of the coefficient of viscosity

η

Q. The rate of flow of a liquid Q through a capillary tube depends upon the pressure gradient (

\frac{P}{l}

), radius of the capillary (

r

), coefficient viscosity

η

and constant of proportionality is

\frac{π}{8}

. The equation for the rate of flow of the liquid Q is given by :

Q. Derive an expression for excess pressure inside a drop of liquid.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Vapour Pressure

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Vapour Pressure

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon