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    As we go down under water in a ocean the water pressure:​
    Question

    As we go down under water in a ocean the water pressure:​

    A.

    ​decreases​

    B.

    ​remains constant and equal to the atmospheric pressure​

    C.

    ​increases ​

    D.

    ​remains less than atmospheric pressure​

    Correct option is C

    The correct answer is:

    C: Increases

    Explanation:
    • As we go deeper underwater in an ocean, the water pressure increases. This is because water is much denser than air, and the weight of the water above exerts pressure on the layers below.
    • The pressure at any depth is given by the formula:P=P0+ρghP = P_0 + \rho g hPP0+ρgh  where:
      • P0P_0P0 = atmospheric pressure,
      • ρ\rhoρ = density of water,
      • ggg = acceleration due to gravity,
      • hhh = depth of water.
    • The deeper you go (hhh increases), the greater the pressure.
    Other Options:
    • Decreases: Incorrect, as pressure cannot decrease with increasing depth due to the added weight of water.
    •  Remains constant and equal to atmospheric pressure: Incorrect, because the pressure increases with depth and is much higher than atmospheric pressure.
    •  Remains less than atmospheric pressure: Incorrect, since underwater pressure exceeds atmospheric pressure even at shallow depths.

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