Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Two equal drops of water are falling through air with 
steady velocity 
. If the drops coalesce, the new velocity will be;
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Let 
be the radius of smaller drop and 
the radius of bigger drop. By equating the volume we have,
or 
Now terminal velocity 
(radius) 
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