Home
Class 12
PHYSICS
If R is the Rydberg constant for gydroge...

If R is the Rydberg constant for gydrogen, then the wave number of the first line in the Lyman series is

A

R/2

B

2R

C

R/4

D

3R/4

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ATOMS

    AAKASH SERIES|Exercise PROBLEM|24 Videos

  • ATOMS

    AAKASH SERIES|Exercise EXERCISE - I|21 Videos

  • ATOMS

    AAKASH SERIES|Exercise EXERCISE -II|35 Videos

  • APPENDICES (REVISION EXERCISE)

    AAKASH SERIES|Exercise LAW OF MOTION|91 Videos

  • CAPACITORS

    AAKASH SERIES|Exercise PRACTICE SHEET (ADVANCED) (Integer Type Questions)|2 Videos
AAKASH SERIES-ATOMS-EXERCISE -III
  1. As the electron in Bohr orbit of hydrogen atom passes from state n = 2...

    Text Solution

    |

  2. The energy of an electron in an excited hydrogen atom is -3.4 eV. Then...

    Text Solution

    |

  3. The wavelength of first line of Lyman series in hydrogen atom is 1216 ...

    Text Solution

    |

  4. The ionization potential of H atoms is 13.6 V. The energy difference b...

    Text Solution

    |

  5. The radius of the Bohr orbit in the ground state of hydrogen atom is 0...

    Text Solution

    |

  6. The potential energy of an electron in the fifth orbit of hydrogen ato...

    Text Solution

    |

  7. If R is the Rydberg constant for gydrogen, then the wave number of the...

    Text Solution

    |

  8. If lambda(1) and lambda(2) are the wavelengths of the first members of...

    Text Solution

    |

  9. The ratio of maximum to minimum possible radiation energy in Bohr's hy...

    Text Solution

    |

  10. Frequency of the series limit of Balmer series of hydrogen atom interm...

    Text Solution

    |

  11. Given mass number of gold = 197 , density of gold = 19.7 g cm^(-3) , A...

    Text Solution

    |

  12. Transitions between three energy levels in a particular atom give rise...

    Text Solution

    |

  13. The electron in a hydrogen atom makes a transition from n = n(1) to n...

    Text Solution

    |

  14. An electron revolving in an orbit of radius 0.5 A^(@) in a hydrogen at...

    Text Solution

    |

  15. How many revolutions does an electron complete in one second in the fi...

    Text Solution

    |

  16. If one were to apply Bohr model to a particle of mass 'm' and charge '...

    Text Solution

    |

  17. In hydrogen spectrum the shortest wavelength in Balmer series islambd...

    Text Solution

    |

  18. Orbits of a particle moving in a clrcle are such that the perimeter of...

    Text Solution

    |

  19. Consider 3rd orbit of He^(+) (Helium ) Using non relativistic approach...

    Text Solution

    |

  20. A beam of fast moving alpha particles were directed towards a thin fil...

    Text Solution

    |