Home
Class 12
PHYSICS
How many spectral lines are emitted by a...

How many spectral lines are emitted by atomic hydrogen excited to the `n-th` energy level?

A

n

B

2n

C

`(n^2-n)/2`

D

`(n^2+n)/2`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ATOMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION B Objective (One option is correct )|12 Videos

  • ATOMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION C Objective (More than one option is correct )|6 Videos

  • ATOMS

    AAKASH INSTITUTE|Exercise Try Yourself|24 Videos

  • ALTERNATING CURRENT

    AAKASH INSTITUTE|Exercise Assignment (Section-J) (Aakash Chailengers Questions)|1 Videos

  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION D (Assertion-Reason)|10 Videos

Similar Questions

Explore conceptually related problems

How many spectral linears are emitted by atomic hydrgen excited to the nth energy level ?

How many spectrual lines are emitted by atomic Hydrogen, when an electron jumps from 5th energy level to ground state ?

An electron in an excited hydrogen atom acquired an energy of 12.1 eV. To what energy level did it jump? How many spectral lines may be emitted in the course of the transition to lower energy level? Calculate the corresponding wavelengths.

Find the number of spectral lines in Paschen series emitted by atomic H, when electron is excited from ground state to 7th energy level returns back .

What is the maximum number of spectral lines emitted by a hydrogen atom when it is in the third excited state?

Ionisation potential of hydrogen atom is 13.6 eV . Hydrogen atom in ground state is excited by monochromatic light of energy 12.1 eV . The spectral lines emitted by hydrogen according to Bohr's theory will be

AAKASH INSTITUTE-ATOMS-ASSIGNMENT SECTION A Objective (One option is correct )
  1. What should be the ratio of minimum to maximum wavelength of radiation...

    Text Solution

    |

  2. The ratio of energies of hydrogen atom in its first excited state to t...

    Text Solution

    |

  3. How many spectral lines are emitted by atomic hydrogen excited to the ...

    Text Solution

    |

  4. The energy of hydrogen atom in its ground state is -13.6 eV , the ener...

    Text Solution

    |

  5. In which transition of a hydrogen atom, photons of lowest frequency ar...

    Text Solution

    |

  6. Total energy of an electron in the hydrogen atom in the ground state i...

    Text Solution

    |

  7. Using Bohr's formula for energy quantization, the ionisation potenti...

    Text Solution

    |

  8. Which of the following cannot be the value of ionisation energy for a ...

    Text Solution

    |

  9. Name the spectral series of hydrogen atom, which be in infrared region...

    Text Solution

    |

  10. Three energy levels L1,L2 and L3 of a hydrogen atom correspond to incr...

    Text Solution

    |

  11. if the wavelength of first member of Lyman series is lambda then calcu...

    Text Solution

    |

  12. In Bohr's model of the hydrogen atom the ratio between the period of r...

    Text Solution

    |

  13. How many times does the electron go round the first Bohr's orbit of hy...

    Text Solution

    |

  14. If an electron in hydrogen atom jumps from third orbit to second orbit...

    Text Solution

    |

  15. If radius of first orbit of hydrogen atom is 5.29xx10^(-11) m, the ra...

    Text Solution

    |

  16. Bohr's atomic model is applicable for

    Text Solution

    |

  17. Let F1 be the frequency of second line of Lyman series and F2 be the ...

    Text Solution

    |

  18. The differnce between nth and (n+1) the Bohr radius of B atom is equa...

    Text Solution

    |

  19. The lines in Balmer series have their wavelengths lying between

    Text Solution

    |

  20. Identify the incorrect relationship

    Text Solution

    |