Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
(a) P2 = P 1 + h ρ g ,
(b) P2 > P 1
APPEARS IN
संबंधित प्रश्न
Fill in the blank with suitable word :
It is the................. force which makes objects appear lighter in water.
Distinguish between density and relative density.
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
For a given object, the buoyant force in liquids of different ______ is ______.
Write an expression for the pressure at a point inside a liquid. Explain the meaning of the symbols used.
Complete the following sentence :
A piece of wood is held under water. The upthrust on it will be ___________ the weight of the wood piece.
What do you mean by buoyancy?
Is pressure a vector quantity?
Define atmospheric pressure diving suits. Does a diving suit create buoyancy?
A body will sink if the weight of the body is greater than the buoyant force.
