The diameter of rain-drop is 0.02cm. If surface tension of water be 72 x 10-3 newton per metre, then the pressure difference of
external and internal surfaces of the drop will be
A
1.44 x 103 N/m2
i
B
1.44 x 103dyme -cm-2
с
1.44 x 104 newton-m-2
d
1.44 X 105 Newton-m-2
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Answer:
sorry idk
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