Question:
Pressure at a point inside a liquid does not depend on
Pressure at a point inside a liquid does not depend on
Updated On: Jul 6, 2022
- the nature of the liquid
- shape of the container
- the depth of point below the surface of the liquid
- acceleration due to gravity at that point
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The Correct Option is B
Solution and Explanation
Pressure depends on the depth of the point below the surface $(h)$, nature of liquid $(\rho)$ and acceleration due to gravity $(g)$ while it is independent of the amount of the liquid and shape of the container
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Concepts Used:
Pressure
Pressure is defined as the force applied perpendicular to the surface of an object per unit area over which that force is distributed.
Everyday examples of pressure are:
- The working of the vacuum cleaner is an example of pressure. The fan inside the vacuum creates a low-pressure region which makes it easy to suck the dust particles inside the vacuum.
- Using a knife for cutting is another example of pressure. The area exposed from the knife is small but the pressure is high enough to cut the vegetables and fruits.
Formula:
When a force of ‘F’ Newton is applied perpendicularly to a surface area ‘A’, then the pressure exerted on the surface by the force is equal to the ratio of F to A. The formula for pressure (P) is:
P = F / A
Units of Pressure:
The SI unit of pressure is the pascal (Pa)
A pascal can be defined as a force of one newton applied over a surface area of a one-meter square.