Ex23: A glass plate of length 20 cm, breadth 10 cm and thickness 5 mm is held vertically with its length just touching the surface of water in the tank. Find the force acting on the plate due to surface tension. (S.T. of water = 70 × 10-3 N/m).
Ex23: A glass plate of length 20 cm, breadth 10 cm and thickness 5 mm is held vertically with its length just touching the surface of water in the tank. Find the force acting on the plate due to surface tension. (S.T. of water = 70 × 10-3 N/m).
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Transcribed Image Text:Ex 23: A glass plate of length 20 cm,
cm and thickness 5 mm is held vertically with
its length just touching the surface of water in
the tank. Find the force acting on the plate due
to surface tension. (S.T. of water = 70 x 10-³ N/m).
breadth 10
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