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The surface tension of water in C.G.S. s...

The surface tension of water in C.G.S. system is 70 dyne/cm. its value in SI unit is

A

70 N/m

B

`7xx 10^(-2)N/m`

C

`7 xx 10^2N/m`

D

`7 xx 10^3 N/m`

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