Fluid Mechanics Viscosity Question 54
Question: Two capillary tubes of radii 0.2 cm and 0.4 cm are dipped in the same liquid. The ratio of heights through which liquid will rise in the tubes is [MNR 1998]
Options:
A) 1 : 2
B)2 : 1
C) 1 : 4
D)4 : 1
Show Answer
Answer:
Correct Answer: B
Solution:
$ h\propto \frac{1}{r} $ \ $ r_{1}h_{1}=r_{2}h_{2}\Rightarrow \frac{h_{1}}{h_{2}}=\frac{{r_{{2}}}}{r{1}}=\frac{0.4}{0.2}=2:1 $
BETA
