Advertisements
Advertisements
प्रश्न
Write an expression for the pressure at a point inside a liquid. Explain the meaning of the symbols used.
Advertisements
उत्तर
P = Po + h ρ g
Here, P = Pressure exerted at a point in the liquid
Po = Atmospheric pressure
h = Depth of the point below the free surface
`ρ` = Density of the liquid
g = Acceleration due to gravity
APPEARS IN
संबंधित प्रश्न
What is meant by the term ‘buoyancy’ ?
A body floats in a liquid when its weight becomes equal to the weight of the liquid displaced by its submerged part.
What is a density bottle? How is it used to find the density of a liquid?
Define the term relative density of a substance.
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
body D having density 0.85 g m-3
What is the law of floatation?
For a floating body, how is its weight related to the buoyant force?
How does the liquid pressure on a diver change if:
the diver moves to the greater depth
It is easier to lift a heavy stone under water than in air. Explain.
Select the correct option.
Thrust acting perpendicularly on the unit surface area is called
