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When an air bubble rise from the bottom ...

When an air bubble rise from the bottom of a deep lake to a point just below the water surface, the pressure of air inside the bubble

A

is greater than the pressure outside it

B

is less than the pressure outside it

C

increases as the bubble moves up

D

decreases as the bubble moves up

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Knowledge Check

  • When an air bubble moves up from the bottom of a lake

    A
    its velocity decreases and becomes zero
    B
    its velocity increases and becomes constant
    C
    its ac celeration decreases and becomes zero
    D
    its ac celeration increases and becomes constant

  • As an air bubble comes from the bottom of a lake to the top, its radius "_____"

    A
    increases
    B
    decreases
    C
    does not change
    D
    becomes zero

  • When a large bubble rises from the bottom of a lake to the surface, its radius doubles. The atmospheric pressure is equal to that of a column of water of height H. The depth of the lake is

    A
    H
    B
    2 H
    C
    7 H
    D
    8 H

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