Question

The density of ice is 0.9g/cc and that of sea water is 1.1g/cc. An iceberg of volume V is floating in sea water. The fraction of iceberg above water level is

Answer 1

Buoyant force is equal to the weight of the body which is given by 
"Fb = (density of liquid) * (g)*(volume submerged) and weight equals Fw = (mass)*(g) = (volume of the body)*(density of body)*g."