JEE Main | 2014Momentum and CollisionHard
Question
There is a circular tube in a vertical plane. Two liquids which do not mix and of densities d1 and d2 are filled in the tube. Each liquid subtends 90o angle at centre. Radius joining their interface makes an angle α with vertical. Ratio
is

is
Options
A.

B.

C.

D.

Solution

Equating pressure at A
(Rcosα + Rsinα)d2g = (Rcosα - Rsinα)d1g
⇒

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