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```				   water rises in a capilary tube of certain height such that the upward force due to surface tension is balanced by 75*10^-4N force due to the weight of the liquid If the surface tension of water is 6*10^-2 N/m the inner circumference of the capillary must be
```

7 years ago

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### Answers : (1)

```										weight of liquid = upward force due to surface tension
75 * 10^-4 = 2*pi*r*T
circumference = 2*pi*r = (75*10^-4)/(6*10^-2) =0.125 = 12.5* 10^-2m

Please approve if this is the right answer
```
6 years ago

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