Q. When Some charge is
is placed on Soap
Bubble
A).Radius Decreases
B). Radius Increases
C) Remain Same
D).NONE of ABOVE
Answers
Answer:
The radius of soap bublle increases because of outward force acting on the bubble due to charging.
Answer:
OPTION -[B] Radius Increases
The bubble can increase in size and since increase in the surface area of the bubble further reduces the charge density, this will further reduce the electrostatic potential. But, the issue is by increasing in size, there will be a pressure difference between the inside and the outside of the bubble. This pressure difference will try to squeeze the bubble smaller.
Explanation:
When you provide some charge to a soap bubble, due to the repelling force between the charges, they will try to be as far as possible to minimize the overall potential energy. Also, this is facilitated by the hydrophilic end of the soap molecules.
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