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The surface tension of water is 72 dyne/...

The surface tension of water is 72 dyne//cm. convert it inSI unit.

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The correct Answer is:
B
Surface tension of water ` 72 dyne/cm is` S.I. unit, `72 dyne/cm (72xx10^-5)/(10^-2) N/mltbrge 72xx10^-3 N/m
= 0.72 N/m`
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