Q. If a drop of water is broken in to smaller drops the surface energy
A) Increases
B) Decreases
C) Remains unchanged
D) Can increases as well as decreases
Explanation
(a) When a drop of radius R splits into n smaller drops, (each of radius r ), then surface area of liquid increases and hence surface energy increases.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.