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A glass plate of length 10cm, breath 1.5...

A glass plate of length `10cm`, breath `1.54 cm`and thickness `0.20cm` weigh `8.2 gm` in air. It is held vertically with the long side horizontal and the lower half under water. Find the apperent weight of the plate. Surface tension of water `=73` dyne per cm, `g=980 cm//sec^(2)`.

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