Home
Class 12
PHYSICS
An oil drop of mass m and charge +q is b...

An oil drop of mass m and charge +q is balanced in vaccum by a uniform electric field of intensity `E`. the direction of this field should be

A

vertically up

B

vertically down

C

horizontal

D

inclined at `45^@` to the horizontal.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ATOMS

    NARAYNA|Exercise C.U.Q ALPHARAY SCATTERING|6 Videos

  • ATOMS

    NARAYNA|Exercise C.U.Q BOHR.S THEORY|19 Videos

  • ATOMS

    NARAYNA|Exercise EVALUATE YOURSELF -3|3 Videos

  • ATOMIC PHYSICS

    NARAYNA|Exercise LEVEL-II (H.W)|14 Videos

  • CAPACITANCE

    NARAYNA|Exercise Previous IIT-JEE|16 Videos

Similar Questions

Explore conceptually related problems

A particle of mass m and charge q is released from rest in uniform electric field of intensity E. Calculate the kinetic energy it attains afect moving a distance x between the plates.

An oil drop of radius r carrying a charge q remain stationary in the presence of electric field of intensity E. If the density of oil rho , then

An electron of mass m and charge q is accelerated from rest in a uniform electric field of strength E. The velocity acquired by it as it travels a distance l is

A charge q is projected into a uniform electric field E ,work done when it moves a distance y in the direction of bar(E) is

An electric dipole has the magnitude of its charge as q and its dipole moment is p . It is placed in a uniform electric field E . If its dipole moment is along the direction of the field, the force on it and its potential energy are respectively

The electric field intensity on the surface of a charged conductor is

NARAYNA-ATOMS -C.U.Q (INTRODUCTION)
  1. Which of the following while in motion cannot be deflected by magnetic...

    Text Solution

    |

  2. A beta-particle enters a magnetic field making an angle of 45^@ with t...

    Text Solution

    |

  3. An electron and a proton are injected into a uniform magnetic field at...

    Text Solution

    |

  4. An proton and an electron simultaneously enter into a region in which ...

    Text Solution

    |

  5. You are sitting in a room in which uniform magnetic field is present i...

    Text Solution

    |

  6. A charged particle of charge Q and massm moves with velocity v in a ci...

    Text Solution

    |

  7. An proton and an electron simultaneously enter into a region in which ...

    Text Solution

    |

  8. Imagine you are sitting in a chamber with your back to one wall. An el...

    Text Solution

    |

  9. Electron beam is made to pass between the poles of a magnet as shown i...

    Text Solution

    |

  10. In which of the following field, cathode rays show minimum deflection

    Text Solution

    |

  11. An oil drop of mass m and charge +q is balanced in vaccum by a uniform...

    Text Solution

    |

  12. An oil drop of mass m and falls through a medium that offers a viscous...

    Text Solution

    |

  13. An oil drop of mass m fall through a viscous medium. The viscous drag ...

    Text Solution

    |

  14. Ground state energy of H-atom is -13.6 eV. The energy needed to ionise...

    Text Solution

    |

  15. Consider the spectral line resulting from the transition from n=2 to n...

    Text Solution

    |

  16. If the electron in a hydrogen atom jumps from an orbit with level n(2)...

    Text Solution

    |

  17. Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in th...

    Text Solution

    |

  18. The momentum of a photon of energy 1 MeV in kg-m/s, will be

    Text Solution

    |

  19. In a discharge tube ionization of enclosed gas is produced due to coll...

    Text Solution

    |

  20. If lambda(1) and lambda(2) are the maximum wavelength limits of Lyman ...

    Text Solution

    |