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Question
What fact about liquid pressure does the following diagram in the following figure illustrate?
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Solution
This diagram illustrates that pressure of liquid increases with depth. The hole at greater depth has more pressure and hence the flow of liquid from there is more. Other hole is at less depth so the pressure of liquid there is less and hence the flow of liquid from there is less. So the diagram shows that pressure increases with an increase in depth.
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RELATED QUESTIONS
Pressure at the bottom of the sea at some particular place is 8968960 Pa. If the density of seawater is 1040 kgm3 calculate the depth of the sea. Take g = 9.8 ms−2. Neglect the pressure of the atmosphere.
Calculate the equivalent height of mercury, which will exert as much pressure as 960 m of seawater of density 1040 kgm−3. The density of mercury is 13600 kgm−3.
(i) Calculate the height of a water column which will exert on its base the same
Pressure as the 70 cm column of mercury.
(ii) Will the height of the water column change if the cross-section of the water column is made wider?
What do you mean by relative density?
