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The excess pressure inside a soap bubble...

The excess pressure inside a soap bubble P and the radius R of the bubble are related as

A

`p prop 1//R`

B

`P prop R`

C

`P prop R^(2)`

D

`P prop 1//R^(2)`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The excess pressure inside a soap bubble is

    A
    inversely proportional to the surface tension
    B
    inversely proportional to its radius
    C
    directly proportional to square of its radius
    D
    inversely proportional to square of its radius

  • The pressure inside a soap bubble is

    A
    equal to atmospheric pressure,
    B
    less then atmospheric pressure,
    C
    greater than atmospheric pressure,
    D
    just double of atmospheric pressure.

  • Excess of pressure inside a soap bubble is

    A
    inversely proportional to its radius
    B
    directly proportional to its radius
    C
    directly proportional to square root of its radius
    D
    independent of its radius

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