Characteristics of wind


 
 
Concept Explanation
 

Characteristics of Wind

Characteristics of Wind:  

Wind has two important characteristics-directions and speed .The direction of wind can be gauged using an instrument called the wind vane it is also called a weather vane.

Wind Vane :

  • Every wind vane has two parts the front and the rear. For an accurate reading, the wind vane should be located well above the ground, beyond trees, and other buildings which may interfere with wind direction.
  •  The tip of the arrow is the front and the tail of the arrow is the rear.
  •  When wind blows it presses more on the rear part of the wind vane as it has a greater surface area.             
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                                                                Wind vane

    Anemometer :

     The speed of wind is usually measured with an  instrument called the anemometer.

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    Sample Questions
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    Question : 1

    Increased wind speed is accompanied by __________________________.

     

    Right Option : C
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    Question : 2

    The direction of wind can be gauged using an instrument called the ____________ .

    Right Option : A
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    Explanation
    Question : 3

    The rate of rotation of cups in anemometer is __________________ to the wind speed

    Right Option : A
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    Explanation
     
     


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