Atmospheric pressure is maximum at______.

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Solution

Air exerts pressure everywhere.
The amount of pressure exerted by the air depends on the weight of the air column above the ground.
Coastal areas are low lying areas and therefore the air pressure will be maximum there.
The depth (distance from top to bottom) of the atmosphere is greatest at sea level and decreases at higher altitudes.
With greater depth of the atmosphere, more air is pressing down from above.
Therefore, air pressure is greatest at sea level and falls with increasing altitude.
Hence, atmospheric pressure is maximum at sea level.

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If the density of the air in the lab, at a point through which a sound wave is passing is maximum at instant, the pressure at that point will be

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