calculate the workdone in increasing the radius of a soap bubble in air from 1cm to 2 cm.The surface tension of soap solution is 30dyne/cm
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surface tension is a pulling effect ...
so work done can be said as Initila energy -final energy
initial 30 dynecentimeter of energy..finally energy=120 dyne centimeter
change is 80 dyne centimeter.
work done is 80
Explanation:
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