Fluid Mechanics Viscosity Question 350
Question: A big drop of radius R is formed by 1000 small droplets of water, then the radius of small drop is [AFMC 1998; Pb. PMT 2000]
Options:
A) R/2
B) R/5
C) R/6
D) R/10
Show Answer
Answer:
Correct Answer: D
Solution:
$ \frac{4}{3}\pi R^{3}=1000\times \frac{4}{3}\pi r^{3} $ (As volume remains constant) $ R^{3}=1000r^{3} $ Þ $ R=10r\Rightarrow r=\frac{R}{10} $
BETA
