WBCS.LIVE practice question
Two drops of liquid merge to form a single drop. In this process energy is
Solve this multiple-choice question and check the correct answer with its explanation below.
Answer options
Correct answer and explanation
Correct answer: released.
Explanation: ā Correct Answer: B) released. š Explanation: When two liquid drops merge into one, the total surface area decreases. Because surface energy is linked to surface area, the extra energy is 'released' as heat during this process. This is a basic physical change where the liquid moves to a lower energy state. It explains why large raindrops are slightly warmer than the small mist droplets that formed them.