A. State the two characteristics of wind and the instrument used to measure them.
B. Mention the factors on which pressure exerted by air depends
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A device for measuring wind speed is called an Anemometer, and is (usually) just a turbine powered by the wind; a fan that spins at a rate proportional to wind speed, so by counting how many turns over a given period, or by connecting it to a small generator and measuring power output, you can calculate wind speed.
characteristic of wind are Wind can be characterized by its speed and direction. The direction is often expressed with a reference to where the wind originated; for example, a 'southerly wind' refers towind that starts in the south and blows north.
2--The amount of gas in the chamber. 2) The temperature of the gas. 3) The volume of the chamber ..The same force can produce different pressure depending upon area in which it acts. When the force acts over a large area,the pressure produced is less. Revenue Score: The pressure depends on the number of atoms/molecules in a given space.
characteristic of wind are Wind can be characterized by its speed and direction. The direction is often expressed with a reference to where the wind originated; for example, a 'southerly wind' refers towind that starts in the south and blows north.
2--The amount of gas in the chamber. 2) The temperature of the gas. 3) The volume of the chamber ..The same force can produce different pressure depending upon area in which it acts. When the force acts over a large area,the pressure produced is less. Revenue Score: The pressure depends on the number of atoms/molecules in a given space.
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