Home
Class 12
PHYSICS
A small cork ball with a mass 0.58 g is ...

A small cork ball with a mass 0.58 g is suspended from a thread 10 cm long. Another ball is fixed at a distance 10 cm from the point of suspension and at a distance of 5 cm from the thread as shown in the figure
What shoud the magnitude of the like and equal charges on the balls be t deflect the thread through `30^@`?

Promotional Banner

Topper's Solved these Questions

  • COULOMB'S LAW

    MODERN PUBLICATION|Exercise EXERCISE|23 Videos

  • CLASSIFICATION OF MAGNETIC MATERIALS

    MODERN PUBLICATION|Exercise EXERCISE|40 Videos

  • Diffraction of Light

    MODERN PUBLICATION|Exercise EXERCISE|65 Videos

Similar Questions

Explore conceptually related problems

A point charge +10 muC is at a distance 5 cm directly above the centre of a square of side 10 cm as shown in the figure What is the magnitude of the surface flux through the square?

A point charge +10muC is at a distance 5 cm directly above the centre of a square of side 10 cm as show in the figure. What is the magnitude of the electric flux through the square?

A point charge +10 muC is a distance 5 cm directly above the centre of a square of side 10 cm, as shown in Fig. What is the magnitude of the electric flux through the square? :

Two small spheres each of mass 10 mg are suspended from a poimt by threads 0.5 m long. They are equally charged and repel each other to a distance of 0.28 m. If g = 10 ms^-2 , what is the charge on each ?

An object is at a distance of 10 cm from a spherical mirror and the image of the object is at a distance of 30 cm from the mirror on the same side as the object.Is the mirror concave or convex?What is its focal length?

Two small spheres each of mass 10^6kg are suspended from a point by silk threads 50 cm long. These are equally charged and repel each other to a distance of 20 cm apart. Calculate the charge on each sphere. Take g = 10 ms^-2

A charged particle of mass 1 g is suspended through a silk thread of length 40 cm in a horizontal electric field.fo 4.0 xx 10^4NC^-1 . If the particle stays at a distane of 24 cm from the wall in equilirbium, find the charge on the particle.

A small ball of mass 2 xx 10^-3 kg, having a charge 1 mu C, is suspended by a string of length 0.8 m. Another identical ball having the same charge is kept at the point of suspension. Determine the minimum horizontal velocity that should be imparted to the lower ball so that it can make a complete revolution.

Two charges eacdh of 0.1muC but opposite in sign are 1 mm apart. What is the electric field at a point on the line joining them at a distance of 10 cm from the mid-point?

MODERN PUBLICATION-COULOMB'S LAW-EXERCISE
  1. A small cork ball with a mass 0.58 g is suspended from a thread 10 cm ...

    Text Solution

    |

  2. Explain conservation of charge giving two examples.

    Text Solution

    |

  3. Discuss Conservation of charge.

    Text Solution

    |

  4. Explain quantisation of charge.

    Text Solution

    |

  5. Give six properties of electric charge.

    Text Solution

    |

  6. State Coulomb's law and derive definition of a unit charge (coulomb).

    Text Solution

    |

  7. State and explain Coulomb's law of force in electrostatics. What are i...

    Text Solution

    |

  8. State Coulomb's law, explain its vector form and define SI unit of ele...

    Text Solution

    |

  9. Write the vector form of force acting between two charges q1 and q2 ha...

    Text Solution

    |

  10. State Coulomb's law in electrostatics.

    Text Solution

    |

  11. State Coulomb's law in vector form and prove that vecF21 = - vecF12 wh...

    Text Solution

    |

  12. What is meant by continuous charge distribution? Describe different ty...

    Text Solution

    |

  13. Define surface charge density. Obtain expression for force on a charge...

    Text Solution

    |

  14. Explain the terms quantization of charge

    Text Solution

    |

  15. Discuss Conservation of charge.

    Text Solution

    |

  16. Explain the terms addtive nature of charge.

    Text Solution

    |

  17. Define dielectric constant of a medium in terms of fore between two el...

    Text Solution

    |

  18. Explain , what is meant by dielectric constant. Give some example.

    Text Solution

    |

  19. State and explain Coulomb's law of force in electrostatic. What is the...

    Text Solution

    |

  20. State Coulomb's law in electrostatics. Express the same in SI units. M...

    Text Solution

    |

  21. What is the importance of Coulomb's law in vector form?

    Text Solution

    |