Home
Class 12
PHYSICS
A water drop of radius 1 cm is broken in...

A water drop of radius 1 cm is broken into 1000 equal droplets. If the surface tension of water is 0.075 N/m , then the gain in surface enrgy will be

A

0

B

`8.5xx10^(-4)` J

C

`7.5xx10^(-4)` J

D

infinite

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

What is the surface tension of boiling water ?

A spherical drop of oil of radius 1 cm is broken into 1000 droplets of equal radii. If the surface tension of oil is 50 dyne/cm, the work done is

The surface tension of cold water is that of hot water

A spherical liquid drop of radius R is divided into eight equal droplets . If surface tension is T, then the work done in this process will be

A ring of radius 0.75 cm is floating on the surface of water . If surface tension of water is 0.07N//m , then the force required to lift the ring from the surface of water will be

A big drop of radius R is formed by 1000 small droplets of water, then radius of small droplet is

A liquid drop of radius R is broken up into n small droplet. The work done is proportional to

If a drop of water of radius 0.1 cm is broken up into a million droplets all of the same size, then the energy expand in the process will be (T=75 dyne//cm)

When the temperature is increased ,surface tension of water

A disc of paper of radius R is floating on the surface of water of surface tension T . If r=20 cm and T=0.070N//m , then the force of surface tension on the disc is