Properties Of Solids And Liquids Question 178
Question: In a capillary tube, water rises by 1.2 mm. The height of water that will rise in another capillary tube having half the radius of the first, is[CPMT 2001; Pb. PET 2002]
Options:
A) 1.2 mm
B)2.4 mm
C) 0.6 mm
D)0.4 mm
Show Answer
Answer:
Correct Answer: B
Solution:
$ h\propto \frac{1}{r} $ $ r _{1}h _{1}=r _{2}h _{2}\Rightarrow h _{2}=\frac{r _{1}h _{1}}{r _{2}}=2.4\ mm $
