Momentum and CollisionHard
Question
The figure shows a soap film in which a closed elastic thread is lying. The film inside the thread is pricked. Now the sliding wire is moved out so that the surface area increases. The radius of the circle formed by elastic thread will :
Options
A.increase
B.decreases
C.remains same
D.data insufficient
Solution
Surface tension does not depend on surface area.
Create a free account to view solution
View Solution FreeMore Momentum and Collision Questions
A small ball is dropped from a height h onto a rigid frictionless plate at B and rebounds. Find the maximum height reach...A system of N particles is free from any external forces.(i) Which of the following is true for the magnitude of the tot...The diagram shows a force-extension graph for a rubber band.Consider the following statementsI. It will be easier to com...Three interacting particles of masses 100 g, 200 g and 400 g each have a velocity of 20 m/s magnitude along the positive...A ball of mass m is released from A inside a smooth wedge of mass m as shown in the figure What is the speed of the wedg...