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How Does the Atmospheric Pressure Change with Altitude? - ICSE Class 8 - Physics

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Question

How does the atmospheric pressure change with altitude?

Solution

Pressure at sea level is taken as 76 cm of MERCURY column which is one atmosphere. But his pressure varies with alitude as density of air decreases as we rise up and air becomes rarer. For every 105 m rise in height, pressure decreases by 1 cm of mercury column.

Graph shows the approximate variation of pressure with altitude.

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Solution How Does the Atmospheric Pressure Change with Altitude? Concept: Pressure - Atmospheric Pressure.
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