Home
Class 12
PHYSICS
Electrons in a certain energy level n=n(...

Electrons in a certain energy level `n=n_(1)` can emit 3 spectral lines. When they are in another energy level, `n=n_(2)`, they can emit 6 spectral lines. The orbital speed of the electrons in the two orbits are in the ratio

A

`4:3`

B

`3:4`

C

`2:1`

D

`1:2`

Text Solution

Verified by Experts

The correct Answer is:
A
`4:3`
Promotional Banner

Topper's Solved these Questions

  • ATOMS

    DISHA PUBLICATION|Exercise EXERCISE-1: CONCEPT BUILDER (TOPICWISE)|60 Videos

  • ALTERNATING CURRENT

    DISHA PUBLICATION|Exercise Exercise -2 : Concept Applicator|30 Videos

  • CHAPTERWISE NUMERIC /INTEGER ANSWER QUESTIONS

    DISHA PUBLICATION|Exercise CHAPTER 29 : (COMMUNICATION SYSTEMS)|15 Videos
DISHA PUBLICATION-ATOMS-EXERCISE-2: CONCEPT APPLICATOR
  1. The difference between the longest wavlength line of the Balmar series...

    Text Solution

    |

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

    Text Solution

    |

  3. Electrons in a certain energy level n=n(1) can emit 3 spectral lines. ...

    Text Solution

    |

  4. The electron in a hydrogen atom jumps from ground state to the higher ...

    Text Solution

    |

  5. In a hypothetical system , a partical of mass m and charge -3 q is mov...

    Text Solution

    |

  6. One of the lines in the emission spectrum of Li^(2+) has the same wave...

    Text Solution

    |

  7. The wavelength of the first spectral line in the Balmer series of hydr...

    Text Solution

    |

  8. A 12.5eV electron beam is used to bombard gaseous hydrogen at room tem...

    Text Solution

    |

  9. Orbits of a particle moving in a circle are such that the perimeter of...

    Text Solution

    |

  10. A stationary hydrogen atom emits photon corresponding to the first lin...

    Text Solution

    |

  11. Which of the plots shown in the figure represents speed (vn) of the el...

    Text Solution

    |

  12. The diagram shows the energy levels for an electron in a certain atom....

    Text Solution

    |

  13. In the Bohr model an electron moves in a circular orbit around the pro...

    Text Solution

    |

  14. An electron , in a hydrogen-like atom, is in excited state. It has a t...

    Text Solution

    |

  15. The ionization energy of a hydrogen like Bohr atom is 4 Rydbergs. If, ...

    Text Solution

    |

  16. The wavelength of K(alpha) X-rays of two metals A and B are 4 // 1875 ...

    Text Solution

    |

  17. Suppose an electron is attracted toward the origin by a force(k)/(r ) ...

    Text Solution

    |

  18. In the Bohr model of a pi-mesic atom , a pi-mesic of mass m(pi) and of...

    Text Solution

    |

  19. If in hydrogen atom, radius of n^(th) Bohr orbit is rn., frequency of ...

    Text Solution

    |

  20. In the Bohr model of a hydrogen atom, the centripetal force is furnish...

    Text Solution

    |