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 $



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