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The excess pressure due to surface tensi...

The excess pressure due to surface tension in a spherical liquid drop of radius r is directly proportional to

A

r

B

`r^(2)`

C

`r^(-1)`

D

`r^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The excess of pressure, due to surface tension, on a spherical liquid drop of radius 'R' is proportional to

    A
    `R^(-1)`
    B
    R
    C
    `R^(-2)`
    D
    `R^(2)`

  • The excess pressure due to surface tension inside a spherical drop is 6 units . If eight such drops combine, then the excess pressure due to surface tension inside the larger drop is

    A
    3 units
    B
    6 units
    C
    12 units
    D
    48 units

  • Surface tension in a liquid is due to :

    A
    Adhesive force between molecules
    B
    Cohesive force between molecules
    C
    Gravitational force between molecules
    D
    Electrical force between molecules.

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