Question

surface area of soap bulb is 1.3 x 10 raise to power negative 4 metre square with surface tension 3 X 10 raise to power negative 3 Newton per metre the work done to double the surface area will be
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Answer 1

Explanation:

negative 4 metre square with surface tension 3 X 10 raise to power negative 3 Newton per metre the work done to double the surface area will be