Advertisements
Advertisements
प्रश्न
Define the term relative density of a substance.
उत्तर
RELATIVE DENSITY: “is the ratio of the density of a substance to the density of water at 4° C.”
Or
RELATIVE DENSITY “is the ratio of the mass of the substance to the mass of an equal volume of water at 4° C.”
APPEARS IN
संबंधित प्रश्न
What do you mean by buoyancy?
What causes buoyant force (or upthrust) on a boat ?
Relative density of a substance is expressed in g cm-3.
Name the S.I. unit of density. How is it related to g Cm-3?
What is the unit of relative density?
What is the law of floatation?
How does the liquid pressure on a diver change if :
The diver moves horizontally?
Complete the following sentence :
Pressure at all points at the same depth is ....................
The area of base of a cylindrical vessel is 300 cm2. Water (density= 1000 kg m-3) is poured into it up to a depth of 6 cm. Calculate : (a) the pressure and (b) the thrust of water on the base. (g = 10m s-2.
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.