A plank of area of cross-section A is half immersed in liquid 1 of density `rho` and half in liquid 2 of density `2rho`. What is period of osciallation of the plank if it is slightly depressed downwards?

A body weighs W_(1) in a liquid of density rho_(1) and W_(2) in a liquid of density rho_(2) . What is the weight of body in a liquid of density rho_(3) ?

A body weighs W_(1) in a liquid of density rho_(1) and W_(2) in a liquid of density rho_(2) . What is the weight of body in a liquid of density rho_(3) ?

A body of density rho sinks in a liquid of density rho_(L) .The densities rho and rho_(L) are related as:

Drops of liquid of density d are floating half immersed in a liquid of density p. If the surface tension of the liquid is T, then the radius of the drop is

A body of density ' rho ' is let force in a liquid of density d (P>d). What is the downward acceleration of the body while shaking in the liquid ?

A drop of liquid of density rho is floating half-immersed in a liquid of density d . If rho is the surface tension the diameter of the drop of the liquid is

A drop of liquid of density rho is floating half-immersed in a liquid of density d . If rho is the surface tension the diameter of the drop of the liquid is

A plank of mass 'm' and area of cross - section A is floating in a non - viscous liquid of desity rho . When displaced slightly from the mean position, it starts oscillating. Prove that oscillations are simple harmonic and find its time period.