A thin square plate of side 5 cm is suspended vertically from a balance so that lower side just dips into water with side to surface. When the plate is clean (θ=0 o )

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A thin square plate of side 5 cm is suspended vertically from a balance so that lower side just dips into water with side to surface. When the plate is clean (θ=0 o ), it appears to weigh 0.044N. But when the plate is greasy (θ = 180 o ), it appears to weigh 0.03 N. The surface tension of water is
11
Oct
A thin square plate of side 5 cm is suspended vertically from a balance so that lower side just dips into water with side to surface. When the plate is clean (θ=0 o ), it appears to weigh 0.044N. But when the plate is greasy (θ = 180 o ), it appears to weigh 0.03 [...]
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Tags: A thin square plate of side 5 cm is suspended vertically from a balance so that lower side just dips into water with side to surface. When the plate is clean (θ=0 o ) , it appears to weigh 0.03 N. The surface tension of water is , it appears to weigh 0.044N. But when the plate is greasy (θ = 180 o ) ,