Q. When a number of small droplets combine to form a large drop, then
A) energy is absorbed
B) energy is liberated
C) energy is neither liberated nor absorbed
D) process is independent of energy
Explanation
(b) When a number of small droplets coalesce to form a bigger drop surface energy is released because its surface area decreases.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.