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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > 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

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

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 )