Physics-
General
Easy
Question
A long capillary tube of mass '
' gm, radius 2mm and negligible thickness, is partially immersed in a liquid of surface tension 0.1 N/m. Take angle of contact zero and neglect buoyant force of liquid. The force required to hold the tube vertically, will be - (g = 10 
)
- 10.4 mN
- 10.8 mN
- 0.8 Mn
- 4.8 mN
mN
mN
Mn
mN
The correct answer is: 10.8 mN
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