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प्रश्न
How does the following element influence the weather of a place?
Pressure
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उत्तर
Pressure: Atmospheric pressure is the pressure that the atmosphere exerts on the surface of the earth because of its weight. There is a close relationship between pressure and temperature — high temperature means low pressure and vice versa. The pressure difference causes horizontal movement of air called wind and vertical movement of air called current, which together cause circulation of air in the atmosphere.
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संबंधित प्रश्न
Write true or false. Correct the false statement.
Heavy rainfall occurs on the leeward or rain shadow side of highland.
How does the following element influence the weather of a place?
Temperature
Give a brief description of the Westerlies in the northern hemisphere.
With the help of your atlas, encyclopedias, and the Internet, find out about the climate of these places.
- Mumbai
- Delhi
- Kolkata
- London
- New York
- Sydney
In your notebook, draw neat, labelled, coloured sketches of the three different types of rainfall. Alongside each diagram, briefly describe in your own words, how each type of rainfall occurs.
- The diagram alongside illustrates one of the factors that affect temperature. What is it?
- Which side of the mountain is likely to have houses and be covered with trees?
What does a large difference between the temperatures of a dry-bulb thermometer and a wet-bulb thermometer of a hygrometer indicate?
What are nimbus clouds?
What is the Beaufort scale?
This could be a classroom activity. If your school laboratory has an anemometer, use it to record your city’s wind speed for a week. Use the Beaufort Scale to find out the character of wind during these days. Record your observations carefully in your notebook. You could even draw small neat sketches to show the effect of the wind.
