Advertisements
Advertisements
प्रश्न
The density of brass is 8.4 g cm-3. What do you mean by this statement?
Advertisements
उत्तर
This statement means one cubic centimetre volume of brass has mass of 8.4 g.
APPEARS IN
संबंधित प्रश्न
What causes buoyant force (or upthrust) on a boat ?
Distinguish between density and relative density.
A cork piece floats on water surface while an iron nail sinks in it. Explain the reason.
For a given object, the buoyant force in liquids of different ______ is ______.
Complete the following sentence :
Pressure at a point inside the liquid is ...................... To its depth.
Complete the following sentence :
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if _____________ .
A beaker contains a liquid of density ‘ρ’ up to height ‘h’ such that ‘PA’ is atmospheric pressure and ‘g’ is the acceleration due to gravity. Answer the following questions:
- What is the pressure on the free surface of the liquid?
- What is the pressure on the base of the beaker?
- What is the lateral pressure at the base on the inner walls of the beaker?
Select the correct option:
The phenomenon due to which a solid experiences upward force when immersed in water is called:
What is meant by up thrust?
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : _____.
