Home
Class 12
PHYSICS
Ground state energy of H-atom is -13.6 e...

Ground state energy of H-atom is -13.6 eV. The energy needed to ionise H-atom from its second excited state is

A

1.51eV

B

3.4eV

C

13.6eV

D

12.1eV

Text Solution

Verified by Experts

The correct Answer is:
A
`E_(n)=(E_0)/(n^2)=(13.6eV)/(3^2)`
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

The energy of the electron in the ground state of H-atom is -13.6 eV . The energy of the first excited state will be

The ground state energy of hydrogen atom is -13.6 eV . The energy of second excited state of He^(+) ion in eV is

An electron is at ground state of the H atom. The minimum energy required to excite the H atom into the second excited state is

The total energy of eletcron in the ground state of hydrogen atom is -13.6 eV . The kinetic enegry of an electron in the first excited state is

Energy of the lowest level of H-atom is -13.6 eV. The energy of the emitted photons in transition from fourth to second energy state is

Energy of H-atom in the ground state is -13.6eV . Hence energy in the second excited state is

The ionisation potential of H-atom is 13.6 eV. The energy required to remove an electron from the second orbit of hydrogen is

The groud state energy of hydrogen atom is -13.6 eV . When its electron is in first excited state, its exciation energy 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

    |