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. Ratio \[\frac{{{d}_{1}}}{{{d}_{2}}}\]is [JEE MAIN 2014] |
A)
\[\frac{1+\tan \alpha }{1-\tan \alpha }\] B)
\[\frac{1+\sin \alpha }{1-\cos \alpha }\]
C)
\[\frac{1+\sin \alpha }{1-\sin \alpha }\]
D)
\[\frac{1+\cos \alpha }{1-\cos \alpha }\]
Correct Answer:
A Solution :
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