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प्रश्न
Complete the following sentence :
Pressure at a point inside the liquid is ...................... To its depth.
उत्तर
Pressure at a point inside the liquid is directly proportional To its depth.
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संबंधित प्रश्न
What do you mean by buoyancy?
A body experiences the same buoyant force when it floats or sinks in water.
The density of water is 1.0 g Cm-3. The density of iron is 7.8 × 10″3 g Cm-3. The density of mercury is 13.6 g Cm-3.
Ans the following:
Will a piece of iron float or sink in water?
What is meant by pressure? State its S.I. unit.
State three factors on which the pressure at a point in a liquid depends.
How does the liquid pressure on a diver change if:
the diver moves to the greater depth
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.
(i) The diameter of neck and bottom of a bottle are 2 cm and 10 cm, respectively. The bottle is completely filled with oil. If the cork in the neck is pressed in with a force of 1.2 kgf, what force is exerted on the bottom of the bottle?
(ii) Name the law/principle you have used to find the force in part (a).
Why is a force needed to keep a block of wood inside water?
What do you mean by buoyancy?
