Home
Class 12
PHYSICS
A particles of mass 1kg and carrying pos...

A particles of mass `1kg` and carrying positive charge `0.01C` is sliding down an inclined plane of angle `30^(@)` with the horizontal .An electric field `E` is applied to stop the particles.If the coefficient of friction between the particles and the surface of the plane is `(1)/(2sqrt(3))` E must be

A

`1260V//m`

B

`245V//m`

C

`140sqrt(3)V//m`

D

`(490)/(sqrt(3))V//m`

Text Solution

Verified by Experts

The correct Answer is:
3
`mg=muqe`
Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level 1|8 Videos

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level 2|10 Videos

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Level II(C.W)|27 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

A partical of mass 1kg and carrying 0.01C is at rest on an inclined plane of angle 30^(@) with horizontal when an electric field of (490)/(sqrt(3))NC^(-1) applied parallel to horizontal .The cofficient of friction is

A block of mass 5 kg rests on a inclined plane at an angle of 30^(@) with the horizontal. If the block just begins to slide, then what is the coefficient of static friction between the block and the surface?

A body is sliding down an inclined plane forming an angle 30^(@) with the horizantal. If the coefficient of friction is 0.3 then acceleration of the body is

A mass of 4 kg rest on a horizontal plane . The plane is gradually inclined until an angle 0 = 15^(@) with the horizontal and the mass just begins to slide . What is the coefficient of static friction between the block and the surface ?

A body takes just twice the time as long to slide down a plane inclined at 30^(@) to the horizontal as if the plane were frictionless. The coefficient of friction between the body and the plane is

NARAYNA-ELECTROSTATICS AND GAUSS LAW-Level III (C.W)
  1. A thin fixed of radius 1 metre has a positive charge 1xx10^-5 coulomb ...

    Text Solution

    |

  2. A spheres carrying charge 0.01C is kept at rest without falling down ,...

    Text Solution

    |

  3. A particles of mass 1kg and carrying positive charge 0.01C is sliding ...

    Text Solution

    |

  4. Two ideantical point charges are placed at a separation of d. P is a p...

    Text Solution

    |

  5. A particle of charge -q and mass m moves in a circular orbits of radiu...

    Text Solution

    |

  6. A thin semi-circular ring of radius r has a positive charge q distribu...

    Text Solution

    |

  7. Two thin wire rings each having radius R are placed at distance d apar...

    Text Solution

    |

  8. Two metal sphres A and B have their capacities in the ratio 3:4 they a...

    Text Solution

    |

  9. A solid conducting sphere having a charge Q is surrounded by an unchar...

    Text Solution

    |

  10. A spherical charged conductor has surface charge density sigma.The int...

    Text Solution

    |

  11. Two spherical conductors A and B of radii 1mm and 2mm are separated by...

    Text Solution

    |

  12. A charge +q is fixed at each of the points x=x0, x=3x0, x=5x0,…………x=oo...

    Text Solution

    |

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

    Text Solution

    |

  14. Some equipotential surfaces are shown in figure .The electric filed st...

    Text Solution

    |

  15. Here is a special parallelogram with adajacent side length 2a and a an...

    Text Solution

    |

  16. Two concentric spherical conducting shells of radii R and 2R are carry...

    Text Solution

    |

  17. The longer side of a rectangle is twice the length of its shorter side...

    Text Solution

    |

  18. There are three unchanged identical metallic spheres 1,2 and 3 each of...

    Text Solution

    |

  19. A point charge q moves from point P to pont S along the path PQRS (fig...

    Text Solution

    |

  20. The potential at a point x ( measured in mu m) due to some charges sit...

    Text Solution

    |