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Questions and Answers
What is the force exerted by the weight of the atmosphere?
What is the force exerted by the weight of the atmosphere?
- Atmospheric density
- Atmospheric humidity
- Atmospheric pressure (correct)
- Atmospheric temperature
What happens to atmospheric pressure as altitude increases?
What happens to atmospheric pressure as altitude increases?
- It becomes unpredictable
- It remains constant
- It increases
- It decreases (correct)
Which instrument is commonly used to measure atmospheric pressure?
Which instrument is commonly used to measure atmospheric pressure?
- Anemometer
- Thermometer
- Barometer (correct)
- Hygrometer
What is the SI unit of atmospheric pressure?
What is the SI unit of atmospheric pressure?
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Study Notes
Atmospheric Pressure
- The force exerted by the weight of the atmosphere is known as atmospheric pressure.
- Atmospheric pressure decreases as altitude increases due to the decrease in air density.
- A barometer is commonly used to measure atmospheric pressure.
- The SI unit of atmospheric pressure is the pascal (Pa).
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