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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
Higher we go, greater is the air pressure.
Describe an experiment to show that a liquid exerts pressure at the bottom of the container in which it is kept.
The pressure of a liquid column ______ with the depth of the column.
The pressure at the bottom of a tank containing liquid does not depend upon the ______.
All flowing substances such as liquids or gases are called fluids.
The pressure in a liquid is the same at all depths.
State whether the liquids and gases also exert pressure.
If the volume of the object is above the water surface, then the object is less dense.
Differentiate Liquid from Gas
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.
