Questions  

Consider a vertical parallel of semi-circular cross-section dipped in a liquid. Assume that the wetting of the tube is complete. The force of surface tension on the flat part and on curved part of the tube are in the ratio

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By Expert Faculty of Sri Chaitanya
a
2 : π
b
1 : π
c
3 : π
d
2.7 : π
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detailed solution

Correct option is A

Effective length of flat part = 2rEffective length of curved part is πrF = σlSo, required ratio is 2 : π.

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Consider the following statements.
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