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In a U-tube the radii of two columns are...

In a U-tube the radii of two columns are respectively `r_(1) and r_(2)` and if a liquid of density d filled in it has level difference of h then the surface tension of the liquid is -

A

`(rhoghr_1r_2)/(2(r_2-r_1))`

B

`hrhog(r_2-r_1)`

C

`(hrhog(r_2-r_1))/2`

D

`(hrhog)/(2(r_2-r_1))`

Text Solution

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The correct Answer is:
A
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