Water of density $ρ$ in a clean square aquarium forms a meniscus on vertical wall as shown in figure (from view). Contact angle between water & solid (wall) is $0^{0}$ and surface tension of the water is S. Then select the correct statement(s)

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Radius of curvature of meniscus is minimum at point of contact

Net force applied by portion AC of the wall on the water is towards the wall

Radius of curvature of meniscus at point of contact is $\frac{S}{ρ g h}$

Pressure at point B, just below the point of contact A is equal to $P_{0}$

answer is B, D.

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Detailed Solution

$ρ g h = S (\frac{1}{r_{1}} + \frac{1}{r_{2}})$

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