Home
Class 12
PHYSICS
Minimum energy required to takeout the o...

Minimum energy required to takeout the only one electron from ground state of `He^(+)` is

A

`13.6 eV`

B

`54.4 eV`

C

`27.2 eV`

D

`6.8 eV`

Text Solution

Verified by Experts

The correct Answer is:
B
`E_(n) = - (13.6z^(2))/(n^(2)) eV rArr E_(1) = -(13.6xx(2)^(2))/((1)^(1)) =- 54.4 eV`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC PHYSICS

    A2Z|Exercise Atomic Spectrum|53 Videos

  • ATOMIC PHYSICS

    A2Z|Exercise Problems Based On Mixed Concepts|43 Videos

  • ATOMIC PHYSICS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • ALTERNATING CURRENT

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • CURRENT ELECTRICITY

    A2Z|Exercise Section D - Chapter End Test|29 Videos

Similar Questions

Explore conceptually related problems

As per Bohr model, (I) minimum energy required to remove an electron from ground state of doubly ionized Li atom (Z=3) is 122.4eV . (II) energy of transition n=3 to m=2 is less than that of m=2 to n=1 . (III) minimum energy required to remove an electron from ground state of singly-ionised He atom (z=2) is 27.2eV (IV) A Trasnsition from state n=3 to n=2 in a hydrogen atom result in U-V radiation

As par Bohr model, the minimum energy (in eV ) required to remove an electron from the ground state of doubly ionized Li atom (Z = 3) is

As per Bohr model , the minimum energy (in eV) required to remove electron from the ground state of daubly joinized Li alon (Z = 3) is

The minimum enegry required to excite a hydrogen atom from its ground state is

Calculate the energy required to excite an electron from ground state to 3^(rd) excited state if the energy of electron in n^(th) orbit is -13.6//n^2

A2Z-ATOMIC PHYSICS-Bohr'S Hydrogen Model
  1. The wavelength of light emitted from second orbit to first orbits in a...

    Text Solution

    |

  2. Energy of the electron in nth orbit of hydrogen atom is given by E(n) ...

    Text Solution

    |

  3. The de-Broglie wavelength of an electron in the first Bohr orbit is

    Text Solution

    |

  4. In hydrogen atom, when electron jupms from second to first orbit, then...

    Text Solution

    |

  5. Minimum energy required to takeout the only one electron from ground s...

    Text Solution

    |

  6. The frequency of 1st line Balmer series in H(2) atom is v(0). The freq...

    Text Solution

    |

  7. When the electron in the hydrogen atom jumps from 2nd orbit to 1st orb...

    Text Solution

    |

  8. Which of the following transitions will have highest emission waveleng...

    Text Solution

    |

  9. When the wave of hydrogen atom comes from infinity into the first then...

    Text Solution

    |

  10. With the increase in peinciple quantum number, the energy difference b...

    Text Solution

    |

  11. In which of the following systems will the radius of the first orbit (...

    Text Solution

    |

  12. If the binding energy of the electron in a hydrogen atom is 13.6 eV, t...

    Text Solution

    |

  13. Energy E of a hydrogen atom with principle quantum number n is given b...

    Text Solution

    |

  14. Which state of triply ionised Beryllium (Be^(+++)) the same orbital ra...

    Text Solution

    |

  15. The ratio of areas within the electron orbits for the first excited st...

    Text Solution

    |

  16. The kinetic energy of electron in the first Bohr orbit of the hydrogen...

    Text Solution

    |

  17. If the energy of a hydrogen atom in nth orbit is E(n), then energy in ...

    Text Solution

    |

  18. What is the ratio of wavelength of radiations emitted when an electron...

    Text Solution

    |

  19. The ground state energy of hydrogen atom is -13.6 eV. What is the pote...

    Text Solution

    |

  20. The diagram shown the energy levels for an electron in a certain atom....

    Text Solution

    |