Question:
From the adjacent figure, the correct observation is
From the adjacent figure, the correct observation is
Updated On: Apr 18, 2024
- The pressure on the bottom of tank (a) is greater than at the bottom of (b)
- The pressure on the bottom of tank (a) is smaller than at the bottom of (b)
- The pressure depend on the shape of the container
- The pressure on the bottom of (a) and (b) is the same
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The Correct Option is D
Solution and Explanation
Pressure applied by liquid column
$P=h d g$
i.e., the pressure depends on the height of liquid column not on its size, so pressure at the bottom of $A$ and $B$ is same
$P=h d g$
i.e., the pressure depends on the height of liquid column not on its size, so pressure at the bottom of $A$ and $B$ is same
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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.