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8. The amount of work done in blowing a soap bubble such that its diameter increases from d to D is (T= surface tension of the solution)

HomePosts tagged “8. The amount of work done in blowing a soap bubble such that its diameter increases from d to D is (T= surface tension of the solution)”

8. The amount of work done in blowing a soap bubble such that its diameter increases from d to D is (T= surface tension of the solution)

(a) 4π(D2-d2)T (b) 8π(D2-d2)T (c) π(D2-d2)T (d) 2π(D2-d2)T Ans. d (8)
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