Home
Class 12
PHYSICS
Two spherical soap bubbles of radii r(1)...

Two spherical soap bubbles of radii `r_(1) and r_(2)` in vaccum coalesce under isothermal conditions. The resulting bubble has a radius R such that

A

`(r_1+r_2)/2`

B

`(r_1r_2)/(r_1+r_2)`

C

`sqrt(r_1r_2)`

D

`sqrt(r_1^2+r_2^2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Two spherical soap bubbles of radii a and b in vacuum coalesce under isothermal conditions. The resulting bubble has a radius given by

Two soap bubbles having radii 3 cm and 4 cm in vacuum, coalesce under isothermal conditions. The radius of the new bubble is

Two soap bubbles one of radius 3cm and other of radius 4cm each coaless in vacuum under isothermal conditons. Calculate the radius of the bubble formed ?

Under isothermal condition two soap bubbles of radii r_(1) and r_(2) coalesce to form a single bubble of radius r. The external pressure is p_(0) . Find the surface tension of the soap in terms of the given parameters.

The radii of two soap bubbles are r_(i) and r_(2) . In isothermal conditions, two meet together in vacuum. Then the radius kof the resultant bubble is given by

A soap bubble in vacuum has a radius of 3 cm ad another soap bubble in vacuum has a radius of 4 cm. if the two bubbles coalesce under isothermal condition, then the radius of the new bubble is

Two drops of equal radius r coalesce to form a single drop under isothermal conditions . The radius of such a drop would be

Prove that if two bubbles of radii r_(1) and r_(2) coalesce isothermally in vacuum then the radius of new bubble will be r=sqrt(r_(1)^(2)+r_(2)^(2))

The radius R of the soap bubble is doubled under isothermal condition. If T be the surface tension of soap bubble. The work done in doing so it given by

A soap bubble of radius R has formed at normal temperature and pressure under isothermal conditions. Complete the work done. The surface tension of soap solution is T .