Physics, asked by swanand897558496p, 5 hours ago

0. A wire ring of diameter 14 cm is gently lowered to a liquid surface and then pulled up. When the film just breaks, the force required is 0.0616 N. The surface tension of the liquid is (A) 70 Nm (B) 7 Nm C 70 dyne cm (D) 7 dyne cm -1 -1 -1

Answers

Answered by bhavurana84

32

Answer:

B IS THE CORRECT ANSWER

PLZ MARK AS BRANILY

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