Advertisements
Advertisements
प्रश्न
Distinguish between density and relative density.
Advertisements
उत्तर
| Sr. No. | Density | Relative density |
| 1. | It is the ratio of mass to volume. `D = ("Mass")/("Volume") = m/V` |
It is the ratio of the density of a substance to the density of water. |
| 2. | Units are g cm−3 or kg m−3 | It is a pure quantity. It has no units. |
| 3. | Density in kg m−3 = R.D × 1000 | R.D. = Density in g cm−3 `R.D. = ("Density in kg cm"^-3)/1000` |
APPEARS IN
संबंधित प्रश्न
A body experiences the same buoyant force when it floats or sinks in water.
Explain the meaning of the statement
‘Relative density of aluminium is 2.7’.
Why is the tip of an allpin made sharp?
State three factors on which the pressure at a point in a liquid depends.
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.
The base of the cylindrical vessel measures 300 cm2. Water is poured into it up to a depth of 6 cm. Calculate the pressure of water on the base in the vessel.
Is thrust a scalar or vector quantity?
Write about buoyant force.
Icebergs and ships stay afloat due to ______.
If the buoyant force is less, the object will float.
