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The surface tension of a liquid is 5 N/m. If a film isheld on a ring of area 0.02 m2, its surface energy isabout(1) 5x10-2 J(3) 2 x 10-1 J(2) 2.5 x 10-2 J(4) 3 x 10-1 J |
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Answer» Option (3) is right ans |
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