A 10 cm long wire is placed horizontal on the surface of water and is gently pulled up with a force of `2xx10^(2)` N to keep the wire in equilibrium. The surface tension, in `Nm^(-1)` of water isA. `0.002`B. `0.001`C. `0.2`D. `0.1`

A 10 cm long wire is placed horizontal on the surface of water and is

1.	A 10 cm long wire is placed horizontal on the surface of water and is gently pulled up with a force of `2xx10^(2)` N to keep the wire in equilibrium. The surface tension, in `Nm^(-1)` of water isA. `0.002`B. `0.001`C. `0.2`D. `0.1`
Answer» Correct Answer - D We have, 2Sl = F `rArr S = F/2l = (2 xx 10^(-2))//2 xx 0.10 = 0.1 Nm^(-1)`

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A 10 cm long wire is placed horizontal on the surface of water and is gently pulled up with a force of `2xx10^(2)` N to keep the wire in equilibrium. The surface tension, in `Nm^(-1)` of water isA. `0.002`B. `0.001`C. `0.2`D. `0.1`

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