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  • Two rectangular plates are placed at a small gap '  '. Find rise of liquid between them. Surface tension of liqui

Two rectangular plates are placed at a small gap ' t '. Find rise of liquid between them. Surface tension of liquid is T, and angle contact is 0^{\circ}.

Option: 1

\frac{2 T}{\rho tg}


Option: 2

\frac{T}{2 \rho tg}


Option: 3

\frac{T}{\rho \operatorname{tg}}


Option: 4

\frac{2 T}{3 \rho \operatorname{tg}}


Answers (1)

best_answer

Use,
\begin{aligned} T \times 2 l & =m g \\ & =\rho v g\\ &=\rho\left(lth\right) g \\ \therefore h & =\frac{2 T}{\rho \operatorname{tg}} \end{aligned}

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