Home
Class 12
PHYSICS
A massless inextensible string in the fo...

A massless inextensible string in the form of a loop is placed on a horizontal film of soap solution of surface tension T. If film is pierced inside the loop and it convert into a circular loop of diameter d, then the tension produced in string is

A

Td

B

`pi`Td

C

`pid^(2)`T

D

`(pid^(2)T)/4`

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

What is the surface energy of an air bubble of radius r inside a soap solution with surface tension T ?

There is a horizontal film of soap solution. On it a thread is placed in the form of a loop. The film is pierced inside the loop and the thread becomes a circular loop of radius R . If the surface tension of the loop be T , then what will be the tension in the thread?

Two blocks, each of mass m are attached with a massless and inextensible string. One of the blocks is placed on the rough horizontal surface of a table for which coefficient of friction mu . Find out the force exerted by the table on the block if mu gt 1 .

A circular loop is placed in magnetic field B=2t. Find the direction of induced current produced in the loop.

A circular loop of radius R is kept in a uniform magnetic field pointing perpendicular into the plane of paper. When a current l flows in the loop, the tension produced in the loop is

A thin wire is bent in the form of a ring of diameter 3.0cm .The ring is placed horizontally on the surface of soap solution and then raised up slowly. Upward force necessary to break the vertical film formed between the ring and the solution is

A soap bubble of diameter a is produced using the soap solution of surface tension T. Find the energy required to double the radius of the bubble without change of temperature.

A string has a linear mass density mu . The ends of the string are joined to form a closed loop and is given the shape of a circular ring of radius R. this ring is now rotated about its axis with an angular velocity omega Q. The tension developed in the string is

A film of soap solution is formed on a loop frame loop of 6.28 cm long thread is gently put on the film and the film is broken with a needle inside the loop. The tread loop takes the shape of a circle. Find the tension in the thread. Surface tension of soap solution = 0.030 n//m .

A wire forming a loop is dipped into soap solution and taken out so that a film of soap solution is formed. A loop of 6.28 cm long thread is gently put on the film and the film is pricked with a needle inside the loop. The thread loop takes the shape of a circle. Find the tension in the thread. Surface tension of soap solution =0.030Nm^-1 .