Properties Of Solids And Liquids Question 173

Question: If the surface tension of water is 0.06 Nm-1, then the capillary rise in a tube of diameter 1 mm is ($ \theta $ =0° ) [AFMC 1998]

Options:

A) 1.22 cm

B) 2.44 cm

C) 3.12 cm

D)3.86 cm

Show Answer

Answer:

Correct Answer: B

Solution:

$ h=\frac{2T}{rdg}=\frac{2\times 6\times {{10}^{-2}}}{5\times {{10}^{-4}}\times 10^{3}\times 10} $

$ =2.4\times {{10}^{-2}}m=2.4cm $



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