A square wire frame of size L is dipped in a liquid. On taking out a membrane is formed. If the surface tension of liquid is T, then the force acting on a frame will be
A
B
C
D
16 TL
Text Solution
Verified by ExpertsThe correct answer is:
C
Since the wire frame is dipped in liquid, therefore its membrane has two free surfaces. Total length of square wire frame in contact of membrane 
perimeter of square 
Hence, force acting on a frame
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
A sample of metal weighs 210 grams in air, 180 grams in water, and 120 grams in an unknown liquid. …
In a hydraulic lift, used at a service station, the radius of the large and small piston are in the…
A jar is filled with two non-mixing liquids 1 and 2, having densities and , respectively. A solid…
A U-tube of base length l filled with same volume of two liquids of densities and is moving with …
When a number of small droplets combine to form a large drop, then
Water flows through a frictionless duct with a cross-section varying, as shown in the figure. Press…