Two drops of equal radius are falling through air with a steady velocity of 
. If the two drops coalesce, then its terminal velocity will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
…… ..(i)
when 2 droplets of radius 
coalesce to form a big drop of radius 
, then
…… .(ii)
From Eqs. (i) and (ii)
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