Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A soap bubble of radius r 1 is placed on another soap bubble of radius r 2 (r 1 < r 2 ). The radius R of the soapy film separating the two bubbles is:
A
r 1 + r 2
B
C
(r 1 3 + r 2 3 )
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Equating pressures on the shaded portion:
– 
= 
Get R = 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
The temperature at which the surface tension of water is zero
Water rises to a height h in a capillary tube lowered vertically into water to a depth λ as shown i…
At critical temperature, the surface tension of a liquid:
The excess pressure inside a soap bubble is equal to 2 mm of kerosene (density 0.8 g cm –3 ). If th…
Match the column
Column - IColumn - II(a) Spliting of brigger drop into small drops(P) Temperaturec…
The high domes of ancient buildings have structural value (besides beauty). It arises from pressure…