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[" The force required to separate two gl...

[" The force required to separate two glass plates of area "10^(-2)m^(2)" with a film of wate-clist "],[" them,is Sturface ternsion of water is "70times10^(-3)N/m" ) "],[[" (A) "28N," (B) "14N," (C) "50N," (D) "99]]

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