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What is Atmospheric Pressure? Video Lecture | Science Class 8

90 videos|273 docs|44 tests

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00:05 Atmosphere
00:19 Liquid Pressure
01:23 Air Pressure or Atmospheric Pressure
01:41 Layers of Atmosphere
02:44 Graph of Pressure in various Layers of Atmosphere
02:44 Question 1
03:17 Atmospheric Pressure (Examples)
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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).
90 videos|273 docs|44 tests
Video Timeline
Video Timeline
arrow
00:05 Atmosphere
00:19 Liquid Pressure
01:23 Air Pressure or Atmospheric Pressure
01:41 Layers of Atmosphere
02:44 Graph of Pressure in various Layers of Atmosphere
02:44 Question 1
03:17 Atmospheric Pressure (Examples)
More
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