Q. What happens when some charge is placed on a soap bubble?
A) Its radius decreases
B) Its radius increases
C) The bubble collapses
D) None of these
Explanation
(b) The radius of soap bubble increases because of outward force acting on the bubble due to charging
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.