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A thin metal disc of radius r floats on water surface and bend
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A thin metal disc of radius r floats on water surface and bends the surface downwards along the perimeter making an angle  with vertical edge of the disc If the disc displaces a weight of water W and surface tension of water is T then the weight of metal disc is

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A thin metal disc of radius r floats on water surface and bends the surface downwards along the perimeter making an angle  with vertical edge of the disc If the disc displaces a weight of water W and surface tension of water is T then the weight of metal disc is
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Hence vet downward force
         
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Question Text
A thin metal disc of radius r floats on water surface and bends the surface downwards along the perimeter making an angle  with vertical edge of the disc If the disc displaces a weight of water W and surface tension of water is T then the weight of metal disc is
Answer TypeText solution:1
Upvotes150