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प्रश्न
Describe a simple experiment to show that at a given depth, a liquid exerts same pressure in all directions.
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उत्तर
Experiment: We have often seen children playing with polythene bag filled with water and having small holes at various places on this bag and sprinkling water on others. This is because water enclosed in bag exerts pressure in all directions.
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संबंधित प्रश्न
Fill in the blank with suitable word :
In fluids (liquids and gases), pressure acts in....................directions, and pressure.................as the depth increases.
Fill in the blank with suitable word :
In order to sink in a fluid, the density of an object must be .................. than the ................ of the fluid.
A liquid exerts pressure in all directions.
State two factors on which the pressure at a point in a liquid depends.
Which fact about liquid pressure does the diagram in fig. illustrate.
Why does it happen?
The wall of a dam is broad at its base.
Describe an experiment to prove that the pressure in a liquid increase with depth.
Name an instrument used to measure the difference in the liquid pressure.
The pressure does not depend upon ______.
Assertion (A): The force acting on the surface of a liquid at rest, under gravity, in a container is always horizontal.
Reason (R): The forces acting on a fluid at rest have to be normal to the surface.
