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CBSE Class 11-science Answered

Calculate the work done in blowing a soap bubble from a radius of 2 cm to 3 cm. The surface tension of the soap solution is 30dy/cm
Asked by shobhit_dc | 19 Jan, 2012, 02:03: PM
Expert Answer
W = 4 * pi * (1 )2 * 30 erg
Answered by | 19 Jan, 2012, 02:18: PM
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