Advertisements
Advertisements
प्रश्न
Why does a piece of ice float on water?
Advertisements
उत्तर
FLOATATION OF ICE ON WATER: Density of 0.9 g Cm-3 is less than the density of water 1 g Cm-3. Hence, ice floats on water.
APPEARS IN
संबंधित प्रश्न
What is meant by the term ‘buoyancy’ ?
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
A body sinks in a liquid A but floats in a liquid B. The density of liquid A is ....... than the density of liquid B.
A body X sinks in water, but a body Y floats on water. The density of the body X is ......... than the density of body Y.
The density of water is 1.0 g Cm-3. The density of iron is 7.8 × 10″3 g Cm-3. The density of mercury is 13.6 g Cm-3.
Ans the following:
Will a piece of iron float or sink in water?
A plastic cube is released into the water. Will it sink or come to the surface of the water?
How does the pressure exerted by a solid and fluid differ?
Prove that the loss in weight of a body when immersed wholly or partially in a liquid is equal to the buoyant force (or upthrust) and this loss is because of the difference in pressure exerted by liquid on the upper and lower surfaces of the submerged part of body.
A block of wood is floating on water with its dimensions 50 cm x 50 cm x 50 cm inside water. Calculate the buoyant force acting on the block. Take g = 9.8 N kg-1.
Select the correct option:
When an object sinks in a liquid, its:
