Two droplets merge with each other and forms a large droplet. In … - Vidyadip

MCQ

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

✓
Energy is liberated
B
Energy is absorbed
C
Neither liberated nor absorbed
D
Some mass is converted into energy

✓

Answer

Correct option: A.

Energy is liberated

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

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

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