SSC Geography Sample Paper NCERT Sample Paper-6

  • question_answer
    Assertion : Cyclones over Bay of Bengal are characterized by clockwise circulation.
    Reason (R): Their circulation is governed by pressure gradient and Coriolis force.

    A)  Both A and R are true and R is the correct explanation of A

    B)  Both A and R are true, but R is not the correct explanation of A

    C)  A is true, but R is false

    D)  A is false, but R is true

    Correct Answer: D

    Solution :

    [d] The earth's rotation sets up an apparent force (called the Coriolis force) that pulls the winds to the right in the Northern Hemisphere (and to the left in the Southern Hemisphere). So when a low pressure starts to form north of the equator, the surface winds will flow inward trying to fill in the low and will be deflected to the right and a counter clockwise rotation will be initiated. The opposite (a deflection to the left and a clockwise rotation) will occur south of the equator. Bay of Bengal is in the Northern Hemisphere and thus the rotation will be counter clockwise.

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