Question

18) What is meant by atmospheric pressure​

Answer 1

Atmospheric pressure :- Atmospheric pressure is the pressure that the atmosphere exerts on the surface of the earth because of its weight.This pressure exerted by air is measured by an instrument called barometer.Atmospheric pressure is not the same everywhere and varies from time to time.It mainly varies with altitude and temperature.

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Answer 2

Atmospheric Pressure is also known as air pressure. It is a type of pressure which is exerted on Earth like Gravity. Atmospheric Pressure is measured by Barometer.

Only For Extra Information -

There are Five layers Of Atmosphere -

1. Troposphere - Clouds Exists.

2. Stratosphere - Aeroplane Exists.

3. Mesesphere - Meteors, Space rocks Exists and get burned.

4. Thermosphere - Satellite Exists.

5. Exosphere - Rockets Exists.

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