Home
Class 11
PHYSICS
Two soap bubbles have different radii bu...

Two soap bubbles have different radii but their surface tension is the same. Mark the correct statement

A

Internal pressure of the smaller bubble is higher than the internal pressure of the larger bubble

B

Pressure of the larger bubble is higher than the smaller bubble

C

Both bubbles have the same internal pressure

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
A

`DeltaP=(4sigma)/R implies DeltaP prop1/R ` if `R_1 lt R_2` then `DeltaP_1 gtDeltaP_2`
Promotional Banner

Similar Questions

Explore conceptually related problems

If two soap bubbles of different radii are connected by a tube

If two soap bubbles of different radii are connected by a tube.

If two soap bubble of different radii are in communication with each other

Assertion : When two soap bubbles having different radii are kept in contact , the common surface at their interface will bulge into a large bubble . Reason : Pressure inside the smaller bubble is larger .

Two soap bubbles have radii in the ratio of 2:1 The ratio of the excess pressures inside them is

A drop of water and a soap bubble have the same radii. Surface tension of soap solution is half of that of water. The ratio of excess pressure inside the drop and bubble is -

Two identical soap bubbles each of radius r and of the same surface tension T combine to form a new soap bubble of radius R . The two bubbles contain air at the same temperature. If the atmospheric pressure is p_(0) then find the surface tension T of the soap solution in terms of p_(0) , r and R . Assume process is isothermal.

If the difference between pressure inside and outside of a soap bubble is 6 mm of water and its radius is 8 mm. What is the surface tension in dynes per cm.