A certain number of spherical drops of a...

A certain number of spherical drops of a liquid of radius r coalesce to form a single drop of radius R and volume V. If T is the surface tension of the liquid, then

A

Energy = `4VT(1/r - 1/R)` is released

B

Energy = `3VT(1/r+ 1/R)` is absorbed

C

Energy = `3VT(1/r+ 1/R)` is released

D

energy is neither released nor absorbed

Text Solution

Verified by Experts

Topper's Solved these Questions

Mechanical Properties of fluids
SL ARORA|Exercise Exercise|459 Videos
Mathematical tools
SL ARORA|Exercise Exercise|20 Videos
Mechanical Properties of Solids
SL ARORA|Exercise Example|113 Videos

Similar Questions

Explore conceptually related problems

Several spherical drops of a liquid each of radius r coalesce to form a single drop of radius R. If T is the surface tension, then the energy liberated will be -

Several spherical deops of a liquid each of radius r coalesece to from a single drop of radius R. If T is the surface tension, then the energy liberated will be

Several spherical drops of a liquid of radius r coalesce to form a single drop of radius R . If T is surface tension and V is volume under consideration, then the release of energy is

n' droplets of equal of radius r coalesce to form a bigger drop of radius R. The energy liberated is equal to ( T = Surface tension of water )

Two drops of a liquid are merged to form a single drop . In this process,

A number of droplets, each of radius r , combine to form a drop of radius R . If T is the surface tension, the rise in temperature will be

n droplets of equal size and each of radius r coalesce to form a bigger drop of radius R. the energy liberated is equal to

Some drops each of radius r coalesce to form a large drop of radius R . The surface tension T. Find the change in surface energy per unit volume?

A spherical liquid drop of radius R is split up ino 8 equal droplets .If T is the surface tension of the liquid , then the work done in this process is

A liquid drop of radius R breaks into 64 tiny droplets each of radius r if the surface tension of liquid is T then gain in energy is

SL ARORA-Mechanical Properties of fluids-Exercise

Smaller drops of liquid resist deforming forces better than the larger...
Text Solution
|
When height of a tube is less than liquid rise in the capillary tube, ...
Text Solution
|
STATEMENT-1: The stream of water flowing at high speed from a garden h...
Text Solution
|
Assertion: To floats, a body must displace liquid whose weight is grea...
Text Solution
|
Statement I: A small drop of mercury is spherical where bigger drops a...
Text Solution
|
In the following questions, a statement of assertion is followed by a ...
Text Solution
|
If a liquid in a vessel is stirred and left to itself, the motion disa...
Text Solution
|
Assertion : The water rises higher in a capillary tube of small diame...
Text Solution
|
Assertion : Surface tensian decreases with increase in temperature. ...
Text Solution
|
The viscous force acting between two layers of a liquid is given by F/...
Text Solution
|
Assertion : Bernoulli's theorem is applicable only on laminar flow. ...
Text Solution
|
In dimension of circal velocity v(0) liquid following through a take a...
Text Solution
|
The cylinderical tube of a spray pump has radius R, One end of which h...
Text Solution
|
A wind with speed 40 m//s blows parallel to the roof of a house. The a...
Text Solution
|
A certain number of spherical drops of a liquid of radius r coalesce t...
Text Solution
|
The wettability of a surface by a liquid depends primarily on
Text Solution
|
Water rises to height h in capillary tube. If the length of capillary ...
Text Solution
|
Two non-mixing liquids of densities rho and (n gt1) are put in a cont...
Text Solution
|
A rectangular film of liquid is extended from (4cmxx2cm) to (5cmxx4cm)...
Text Solution
|
Three liquids of densities rho1,rho2 and rho3 (with rho1gtrho2gtrho2) ...
Text Solution
|