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Two non - viscous, incompressible and im...

Two non - viscous, incompressible and immiscible liquids of densities (rho) and (1.5 rho) are poured into the two limbs of a circular tube of radius ( R) and small cross section kept fixed in a vertical plane as shown in fig. Each liquid occupies one fourth the cirumference of the tube.
Find the angle (theta) that the radius to the interface makes with the verticles in equilibrium position.

A

`tan^(-1) (1/5)`

B

`tan^(-1)(3/2)`

C

`tan^(-1)(2/3)`

D

zero

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The correct Answer is:
A
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