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Question
Physics
If a big drop of water is broken into smaller drops the surface energy
Q. If a big drop of water is broken into smaller drops the surface energy
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Chhattisgarh PMT
Chhattisgarh PMT 2009
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A
increases
B
decreases
C
remains unchanged
D
can increase as well as decrease
Solution:
When a drop of radius
R
splits into n smaller drops, (each of radius
r
), then surface area of liquid increases and hence surface energy increases.