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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A glass plate of length 10 cm and breadth 1.54 cm and thickness 0.20 cm weighs 8.2 gm in the air. It is held vertically with the long side horizontal and the lower half under water. Find the apparent weight of the plate. [Surface tension of water = 73 dyne per cm g = 980 cm/sec^2]

A glass plate of length 10 cm and breadth 1.54 cm and thickness 0.20 cm weighs 8.2 gm in the air. It is held vertically with the long side horizontal and the lower half under water. Find the apparent weight of the plate. [Surface tension of water = 73 dyne per cm g = 980 cm/sec^2]

Derive an expression for the height of capillary rise between two parrallel plates dipping in a liquid of density σ separated by a distance d. The surface tension of the liquid is T.