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The surface tension of a liquid is 10^(8...

The surface tension of a liquid is `10^(8)` dyne `cm^(-1)`. It is equivalent to

A

`10^(-4) Nm^(-1)`

B

`10^(5) Nm^(-1)`

C

`10^(6) Nm^(-1)`

D

`10^(7) Nm^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
`1N = 10^(5)` dyne. i.e., 1 dyne `= 10^(-5) N`
Hence, `10^(8)` dyne `cm^(-1) = (10^(8) xx 10^-(5))/(10^(-2))N = 10^(7) Nm^(-1)`
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