The surface tension of a liquid is 70 "d...

The surface tension of a liquid is `70 "dyne" // cm` . In MKS system its value is

A

70N/m

B

`7 xx10^(-2)` N/m

C

`7 xx10^(3)` N/m

D

`7 xx10^(2)` N/m

Verified by Experts

The correct Answer is:

B

`=70("dyne")/(cm)=70xx10^(-5)N//1/100m`
`=70 xx10^(-5) xx10^2 N//m` `=7xx10^(-2) N//m` (in M.K.S. System).

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