Home
Class 12
PHYSICS
A soap bubble is given a negative charge...

A soap bubble is given a negative charge. Then its radius:

A

Decreases

B

Increases

C

Remains unchanged

D

Nothing can be predicted as information is insufficient

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Exercise-II|56 Videos
  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Practice Exercise|57 Videos
  • ELECTRIC CHARGES AND FIELDS

    AAKASH SERIES|Exercise Assess Your Self|13 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH SERIES|Exercise PRACTICE EXERCISEX|42 Videos
  • ELECTRIC FIELD AND POTENTIAL

    AAKASH SERIES|Exercise PROBLEMS (LEVEL-II)|26 Videos

Similar Questions

Explore conceptually related problems

An isolated soap bubble is kept in a container in which the pressure is maintained at P_(0) . The bubble is given some charge due to which its radius increases to R_(0) . If the surface tension of the soap bubble is T, then the charge given to the bubble is

A soap bubble is charged to a potential 12 V. If its radius is doubled, then the potential of the bubble becomes

If two soap bubbles of equal radii r coalesce then the radius of curvature of interface between two bubbles will be

Excess pressure inside one soap bubble is four times that of other. Then the ratio of volume of first bubble to second one is

When a conducting soap bubble is negatively charged then

A charged soap bobbe having surface charge density sigma and radius r. If the pressure inside and outsides the soap bubble is the same, then the surface tension of the soap solution is

A soap bubble (surface tension =T ) is charged to maximum surface density of charge = sigma . When it is just going to burst. Its radius R is given by:

If r and T are radius and surface tension of a spherical soap bubble respectively then find the charge needed to double the radius of bubble.

When a soap bubble is charged :-

AAKASH SERIES-ELECTRIC CHARGES AND FIELDS-Exercise-I
  1. Induction precedes attraction'. Explain the statement.

    Text Solution

    |

  2. When charge is given to a body

    Text Solution

    |

  3. A soap bubble is given a negative charge. Then its radius:

    Text Solution

    |

  4. The coulomb electrostatic force is defined for

    Text Solution

    |

  5. The law, governing the force between electric charges is known as

    Text Solution

    |

  6. Other unit for the quantity having the units (C^(2))/(Nm^(2)) is

    Text Solution

    |

  7. One metallic sphere A is given positive charge wherease another identi...

    Text Solution

    |

  8. A: Charge cannot exist without mass but mass can exist without charge....

    Text Solution

    |

  9. The electrostatic force between two charges Q(1) and Q(2) at separatio...

    Text Solution

    |

  10. The electrostatic force between protons is how many times stronger tha...

    Text Solution

    |

  11. Identify the wrong statement in the following Coulomb.s law correctly ...

    Text Solution

    |

  12. When a brass plate is introduced between two charges, the force betwee...

    Text Solution

    |

  13. A charge q(1) exerts some force on a second charge q(2) If a third cha...

    Text Solution

    |

  14. The angle between the dipole moment and electric field at any point on...

    Text Solution

    |

  15. The Electric field is given by vec( E)= (vec( F))/(q(0)), here the tes...

    Text Solution

    |

  16. The pair of particles which have same acceleration in a uniform electr...

    Text Solution

    |

  17. A simple pendulum has time period T. The bob is given negative charge ...

    Text Solution

    |

  18. A spring-block system undergoes vertical oscillations above a large ho...

    Text Solution

    |

  19. A negatively charged particle is situated on a straight line joining t...

    Text Solution

    |

  20. Two identical pendulums A and B are suspended from the same point. Bot...

    Text Solution

    |