Properties Of Solids And Liquids Question 329
Question: Two droplets merge with each other and forms a large droplet. In this process[CBSE PMT 1993; RPMT 1997, 2000; CPMT 2001; BHU 2001; AFMC 2002]
Options:
A) Energy is liberated
B) Energy is absorbed
C) Neither liberated nor absorbed
D) Some mass is converted into energy
Show Answer
Answer:
Correct Answer: A
Solution:
When two droplets merge with each other, their surface energy decreases. $ W=T(\Delta A)=(negative) $ i.e. energy is released.
