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प्रश्न
State three factors on which the pressure at a point in a liquid depends.
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उत्तर
Pressure at a point in a liquid depends upon the following three factors:
(i) Depth of the point below the free surface.
(ii) Density of liquid.
(iii) Acceleration due to gravity.
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संबंधित प्रश्न
A body experiences the same buoyant force when it floats or sinks in water.
When does an object float or sink when placed on the surface of a liquid ?
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body D having density 0.85 g m-3
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Deduce an expression for the pressure at depth inside a liquid.
The diagram below in Fig. 4.12 shows a device which makes the use of the principle of transmission of pressure.
- Name the parts labelled by the letters X and Y.
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- What happens when the release valve is opened?
- What happens to valve B in cylinder P when the lever arm is moved up?
- Give a reason for your answer in part (v).
- State one use of the above device.
Complete the following sentence :
Pressure is .................... in all directions about a point in a liquid.
The pressure inside a liquid of density p at a depth h is :
