Advertisements
Advertisements
प्रश्न
The S.I. unit of pressure is :
विकल्प
N cm-2
Pa
N
N m2
Advertisements
उत्तर
The S.I. unit of pressure is : Pa
APPEARS IN
संबंधित प्रश्न
Why does a block of wood held under water rise to the surface when released ?
A body floats in a liquid when its weight becomes equal to the weight of the liquid displaced by its submerged part.
Explain the meaning of the statement
‘Relative density of aluminium is 2.7’.
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
(a) body A having density of 500 kg m-3
A piece of wood if left under water comes to the surface. Explain the reason.
Complete the following sentence :
A piece of wood is held under water. The upthrust on it will be ___________ the weight of the wood piece.
You are provided with a hollow iron ball A of volume 15 cm3 and mass 12 g and a solid iron ball B of mass 12 g. Both are placed on the surface of water contained in a large tub.
- Find upthrust on each ball.
- Which ball will sink? Give a reason for your answer (Density of iron = 8.0 g cm-3)
Select the correct option.
Unit of thrust in the SI system is
What is meant by up thrust?
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : _____.
