Home
Class 12
PHYSICS
Two charge when kept at a distance of 1m...

Two charge when kept at a distance of `1m` apart vacuum have a some force of repulsion .if the force of repulsion between these two charges be same ,whenplaced in an oil of dielectric constant `4`the distance of separation is

A

`0.25m`

B

`0.4m`

C

`0.5m`

D

`0.6m`

Text Solution

Verified by Experts

The correct Answer is:
3
`t^(1)=(t)/(sqrt(k))`
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level III (C.W)|55 Videos

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level 1|8 Videos

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level 1(C.W)|24 Videos

  • ELECTROSTATIC POTENTIAL AND CAPACITANCE

    NARAYNA|Exercise ADDITIONAL PROBLEMS|14 Videos

  • EXPERIMENTAL PHYSICS

    NARAYNA|Exercise Comprehension type|6 Videos

Similar Questions

Explore conceptually related problems

There is force of repulsion between two like charges, because electric lines of force

What is the force of repulsion between two charges of 1C each, kept 1m apart in vacumm ?

Two point charges placed at a distance r in air exert a force f on each other. The value of distance R at which they experience force 4F when placed in a medium of dielectric constant K = 16 is :

Two point charge separeted by a distance d repel each other with a force of 9 N. If the separat becomes 3d, the force of repulsion will be

NARAYNA-ELECTROSTATICS AND GAUSS LAW-Level II(C.W)
  1. Two charge when kept at a distance of 1m apart vacuum have a some forc...

    Text Solution

    |

  2. The excess (equal to number) number of electrons that must be placed o...

    Text Solution

    |

  3. Two small conducting spheres each of mass 9xx10^(-4)kg are suspended f...

    Text Solution

    |

  4. Two point charges of magnitude 4muC and -9muC are 0.5 apart .the elect...

    Text Solution

    |

  5. A charge +q is fixed to each of three corners of a square .On the empt...

    Text Solution

    |

  6. Electrical force between two point charge is 200N, if we increase 10% ...

    Text Solution

    |

  7. N fundamental charges each of charge q are to be distributed as two po...

    Text Solution

    |

  8. A particle A having a charge of 2.0xx 10^(-6) C and a mass of 100 g i...

    Text Solution

    |

  9. Two identical particles of charge q each are connected by a masless sp...

    Text Solution

    |

  10. In a figure shown the electric field intenisity at r=1,r=6m,r=9m and V...

    Text Solution

    |

  11. Point charge of 3xx10^(-9)C are situated at each of three corners of a...

    Text Solution

    |

  12. A large flat metal surface has a uniform charge density +sigma. An ele...

    Text Solution

    |

  13. n charges Q,4Q,9Q,16Q…. are placed at distance of 1,2,3….. metre form ...

    Text Solution

    |

  14. Two point charge q(1)=2muC and q(2)=1muC are placed at distance b=1 an...

    Text Solution

    |

  15. A non-conducting ring of radius 0.5 m carries a total charge of 1.11xx...

    Text Solution

    |

  16. Three charge -q,+q and -q are kept at the veticles of an equllateral t...

    Text Solution

    |

  17. Two charge each Q are released when the distance between is d .Then th...

    Text Solution

    |

  18. An oil drop carrying charge Q is held in equilibrium by a potential di...

    Text Solution

    |

  19. A body of mass one gram and carrying a charge 10^(-8)C passes through ...

    Text Solution

    |

  20. Three charges each20muC are placed at the corners of an equilateral tr...

    Text Solution

    |