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When charge is given to a soap bubble, i...

When charge is given to a soap bubble, it showns :

A

a decrease in size

B

no charge in size

C

an increase in size

D

sometimes an increase an sometimes a decreases in size

Text Solution

Verified by Experts

The correct Answer is:
C
When charge is given to a soap bubble (whether positive or negative), these charges exerience repuisive forces due to the other charges. Hence they tend to move out. Hence the size of bubble increases.
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Knowledge Check

  • When charge is given to a soap bubble, it shows:Two equal negative charges -q are fixed fixed at point (0, -a) and (0,a) on y-axis. A positive charge Q is released from rest at the point (2a, 0) on the x-axis. The charge Q will:

    A
    an increase in size
    B
    sometimes an increase and sometimes a decrease in size
    C
    no change in size
    D
    none of these

  • When a soap bubble is charged :-

    A
    it contracts
    B
    it expands
    C
    It does not undergo any change
    D
    it bursts

  • 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.

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