Advertisements
Advertisements
प्रश्न
Select the correct option:
The phenomenon due to which a solid experiences upward force when immersed in water is called:
पर्याय
floatation
buoyancy
density
none of these
Advertisements
उत्तर
buoyancy
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false :
The buoyant force depends on the nature of object immersed in the liquid
What is meant by the term ‘buoyancy’ ?
Relative density of a substance is expressed in g cm-3.
A cork piece floats on water surface while an iron nail sinks in it. Explain the reason.
How does the pressure exerted by thrust depend on the area of surface on which it acts? Explain with a suitable example.
Pressure at the free surface of a water lake is P1, while at a point at depth h below its free surface is P2. (a) How are P1 and P2 related? (b)Which is more P1 or P2?
The pressure P1 at the top of a dam and P2 at a depth h form the top inside water (density p) are related as :
A vessel contains water up to a height of 1.5 m. Taking the density of water 103 kg m-3, acceleration due to gravity 9.8 m s-2 and area of base of vessel 100 cm2, calculate: (a) the pressure and (b) the thrust at the base of vessel.
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)
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.
