Advertisements
Advertisements
प्रश्न
Describe an experiment to prove that the pressure in a liquid increase with depth.
उत्तर
Take a plastic bottle. Punch three holes on its side in the same direction, but at different heights. Now pour some water into it and let it flow through the holes. Observe the flow of water.
- Inference:
The water comes out from all the holes with a different force and falls on the table at points that are at variable distances from the bottle. Water from the lowest hole comes out with the greatest force and falls at a point that is at the maximum distance from the bottle. Water from the topmost hole comes out with the least force and falls at the point that is at the minimum distance from the bottle.
- Reason:
This activity confirms that the pressure in a liquid varies with the depth of the point of observation in it.
APPEARS IN
संबंधित प्रश्न
A liquid exerts pressure in all directions.
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.
Describe an experiment to show that the liquid pressure at a point increases with the increase in height of the liquid column above that point.
Which fact about liquid pressure does the diagram in fig. illustrate.
The pressure of a liquid column ______ with the depth of the column.
State whether true or false. If false, correct the statement.
The shape of an object helps to determine whether the object will float or not
Figure shows a container filled with water. Which of the following statements is correct about pressure of water?
All flowing substances such as liquids or gases are called fluids.
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.