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The surface tension for pure water in a ...

The surface tension for pure water in a capillary tube experiment is

A

`(rhog)/(2hr)`

B

`(2)/(hr rhog)`

C

`(r rhog)/(2h)`

D

`(hr rhog)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
For pure water `theta =0^@`
`h=(2sigma)/(rgrho)implies sigma=(rhrhog)/(2)`
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