SSC Geography Sample Paper NCERT Sample Paper-3

  • question_answer
    The groundwater can become confined between two impermeable layers. This type of enclosed water is called

    A)  Artesian

    B)  Artesian well

    C)  Unconfined groundwater

    D)  Confined groundwater

    Correct Answer: A

    Solution :

    [a] An artesian aquifer is a confined aquifer containing groundwater under positive pressure. This causes the water level in a well to rise to a point where hydrostatic equilibrium has been reached. This type of well is called an artesian well. Water may even reach the ground surface if the natural pressure is high enough, in which case the well is called a flowing artesian well.

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