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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 12 - Fluid Mechanics, Surface Tension and Viscosity > 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 90 degree angle at centre. Radius joining their interface makes an angle α with vertical . The ratio d1​/d2​ is

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 90 degree angle at centre. Radius joining their interface makes an angle α with vertical . The ratio d1​/d2​ is

A spherical solid ball of volume V is made of a material of density ρ1​ It is falling through a liquid of density ρ1​(ρ2​ 0). The terminal speed of the ball is :