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UPSC Geography Atmosphere / वायुमंडल Question Bank Atmosphere

  • question_answer
    The horizontal wind circulation near the Earth's surface is due to the                 [NDA 2015-I]
    1. pressure gradient.    
    2. frictional force.
    3. coriolis force.
    Select the correct answer using the code give below:

    A)  1 only

    B)  2 and 3 only

    C)  1 and 3 only

    D)  1, 2 and 3

    Correct Answer: C

    Solution :

     In the horizontal direction, where gravity does not operate, the equilibrium of forces usually involves balance between the pressure-gradient force and the Coriolis force.


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