Advertisements
Advertisements
प्रश्न
The density of a body which sinks in water is ......... than 1000 Kg m-3.
Advertisements
उत्तर
The density of a body which sinks in water is more than 1000 Kg m-3.
APPEARS IN
संबंधित प्रश्न
Fill in the blank with suitable word :
It is the................. force which makes objects appear lighter in water.
The S.I. unit of density is ..........
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.
State the laws of liquid pressure.
The S.I. unit of pressure is :
The pressure P1 at a certain depth in river water and P2 at the same depth in sea water are related as :
- Calculate the height of a water column which will exert on its base the same pressure as the 70 cm column of mercury. Density of mercury is 13.6 g cm-3.
- Will the height of the water column in part (a) change if the cross-section of the water column is made wider?
The mass of a block made of certain material is 13.5 kg and its volume is 15 × 10-3 m3.
(a) Calculate upthrust on the block if it is held fully immersed in water.
(b) Will the block float or sink in water when released? Give a reason for your answer.
(c) What will be the upthrust on block while floating?
Take density of water = 1000 kg m-3.
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.
What do you understand by the term “Buoyancy”.
