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There is a circular tube in a vertical plane. Two liquids which do not mix and of densities `d_(1)` and `d_(2)` are filled in the tube. Each liquid subtends `90^(@)` angle at centre. Radius joining their interface makes an angle `alpha` with vertical . rartio `d_(1)//d_(2)` is

A

`(1+tanalpha)/(1-tanlpha)`

B

`(1+sinalpha)/(1-cosalpha)`

C

`(1+sinalpha)/(1-sinalpha)`

D

`(1+cosalpha)/(1-cosalpha)`

Text Solution

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The correct Answer is:
A
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