Pressure Exerted by Gases – Atmospheric Pressure

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8th ICSE
IMPORTANT

Pressure Exerted by Gases – Atmospheric Pressure: Overview

This topic talks about atmospheric pressure. It is the force exerted by the atmosphere per unit area of the earth’s surface. It differs from place to place. It decreases with an increase in altitude. The atmosphere exerts pressure in all directions.

Important Questions on Pressure Exerted by Gases – Atmospheric Pressure

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Living Science Physics 8>Force and Pressure>Pressure Exerted by Gases – Atmospheric Pressure> Q 1

The standard value of atmospheric pressure is about 1,50,000 Pa.

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Living Science Physics 8>Force and Pressure>Pressure Exerted by Gases – Atmospheric Pressure> Q 2

If the height above the sea level increases, atmospheric pressure will _____(increase/decrease).

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Living Science Physics 8>Force and Pressure>Pressure Exerted by Gases – Atmospheric Pressure> Q 3

The value of atmospheric pressure at sea level in SI system is approximately equal to

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Living Science Physics 8>Force and Pressure>Pressure Exerted by Gases – Atmospheric Pressure> Q 4

What do you understand by atmospheric pressure? How does it change with altitude?