Question

Two droplets merge with each other and forms a large droplet. In this process

• A. Energy is liberated
• B. Energy is absorbed
• C. Neither liberated nor absorbed
• D. Some mass is converted into energy

Answer 1

Answer: (A)

Energy is liberated

Answer 2

When two droplets merge with each other, their surface energy decreases.

$W = T ( \Delta A ) =$ (negative $)$ i.e. energy is released