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What is Atmospheric Pressure? Video Lecture | Science Class 8
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FAQs on What is Atmospheric Pressure? Video Lecture - Science Class 8
| 1. What is atmospheric pressure? |  |
Ans. Atmospheric pressure is the force per unit area exerted on a surface by the weight of the air above that surface in the Earth's atmosphere.
| 2. How is atmospheric pressure measured? | |
Ans. Atmospheric pressure is measured using a barometer, which can be either an aneroid barometer or a mercury barometer.
| 3. What factors can affect atmospheric pressure? | |
Ans. Factors that can affect atmospheric pressure include altitude, temperature, and weather conditions such as high or low pressure systems.
| 4. How does atmospheric pressure change with altitude? | |
Ans. Atmospheric pressure decreases as altitude increases because there is less air above to exert pressure on the surface.
| 5. What are some common units of measurement for atmospheric pressure? | |
Ans. Common units of measurement for atmospheric pressure include millibars (mb), inches of mercury (inHg), and atmospheres (atm).
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