A) \[0.3\] cm
B) 3 mm
C) 3 cm
D) 3m
Correct Answer: C
Solution :
Water will not leak out from the hole if the weight of water in water column is supported by the force due to surface tension. Using the relation \[h=\frac{2T}{\rho gh}\Rightarrow \,\frac{2\times 7.5\,\times {{10}^{-2}}}{0.5\times {{10}^{-3}}\,\times {{10}^{3}}\,\times 10}\]You need to login to perform this action.
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