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प्रश्न
What fact about liquid pressure does the following diagram in the following figure illustrate?
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उत्तर
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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संबंधित प्रश्न
Calculate the pressure exerted by 0.8 m vertical length of alcohol of density 0.80 gcnr5 in SI units.
[Take g = 10 ms−2].
What is the pressure exerted by 75 cm vertical column of mercury of density 13600 kgm−3 in SI units?
[Take g = 9.8 ms−2].
The pressure of water on the ground floor, in a water pipe is 150000 Pa, whereas pressure on the fourth floor is 30000 Pa. Calculate the height of the fourth floor. Take g = 10 ms−2.
The normal pressure of air is 76 cm of mercury. Calculate the pressure in SI units.
[Density of mercury = 13600 kg/m3 and g = 10 m/s2]
(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?
