SSC Geography Sample Paper NCERT Sample Paper-4

  • question_answer
    Why the summer monsoon winds blow from South-western direction in the Northern hemisphere?

    A)  The general direction of wind from the Indian Ocean is South-Western

    B)  The presence of the doldrums around the equator

    C)  The low pressure conditions in North-West India

    D)  Due to the effect of Coriolis force

    Correct Answer: D

    Solution :

    [d] The Coriolis effect (also called the Coriolis force) is defined as the apparent deflection of objects (such as airplanes, wind, missiles, and ocean currents) moving in a straight path relative to the earth's surface. Its strength is proportional to the speed of the earth's rotation at different latitudes but it has an impact on moving objects across the globe. In the Northern Hemisphere these winds spiral to the right and in the Southern Hemisphere they spiral to the left. This usually creates the westerly winds moving from the subtropical areas to the poles.

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