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When a soap bubble is charged :-...

When a soap bubble is charged :-

A

it expands

B

it contracts

C

it does not undergo any change in size

D

it may expand or contract , depending upon whether the charge is positive or negative

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The correct Answer is:
A
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MARVEL PUBLICATION-SURFACE TENSION -MULTIPLE CHOICE QUESTIONS . (STANDARD LEVEL)
  1. The radii of two soap bubbles are r(i) and r(2). In isothermal conditi...

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  2. Work done in forming a liquid drop of radius R is W(1) and that of rad...

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  3. A sheet can be made water proof by coating it with a substance that ch...

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  4. Work W is required to form a bubble of volume V from a given solution....

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  5. A spherical drop of water has a diameter of 2 mm . If the surface tens...

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  6. The excess pressure inside a soap bubble of volume V(1) is twice the e...

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  7. Air is pushed in a soap bubble to increase its radius from R to 2R . I...

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  8. At critical temperature, the surface tension of a liquid

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  9. If the excess pressure inside a soap bubble of radius 5 mm is equal to...

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  10. When a soap bubble is charged :-

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  11. If the radius of a soap bubble is four times that of another, then the...

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  12. The surface tension of pure water is measured at different temperature...

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  13. When one end of a capillary tube is dipped vertically in water, the pr...

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  14. A long cylinderical glass vessel has a small hole of radius r at its b...

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  15. What is the energy required to blow a soap bubble of radius 5 cm ? [ S...

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  16. The surface tension of soap solution is 0.030 N/m . What is the energy...

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  17. Work done in increasing the size of a soap bubble from a radius of 3cm...

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  18. When NaCl is added to water, the surface tension of watr will

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  19. With an increase in temperature , surface tension of liquid (except mo...

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  20. Work done in forming a liquid drop of radius R is W(1) and that of rad...

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