Home
Class 12
PHYSICS
Hydrogen atom is excited from ground sta...

Hydrogen atom is excited from ground state to another state with principle quantum number equal to 4. Then the number of spectral lines in the emission spectra will be ......

A

2

B

3

C

5

D

6

Text Solution

Verified by Experts

The correct Answer is:
D
No. of possible transitions of electron
`=(n(n-1))/(2)`
`=(4(4-1))/(2)`
`=(4xx3)/(2)=6`
Promotional Banner

Topper's Solved these Questions

  • ATOMS

    KUMAR PRAKASHAN|Exercise Section-D -MCQs asked in AIIMS|17 Videos

  • ATOMS

    KUMAR PRAKASHAN|Exercise Section-D -MCQs asked in GUJCET / Board Exam|34 Videos

  • ATOMS

    KUMAR PRAKASHAN|Exercise Section-D (Multiple Choice Questions (MCQs)) (MCQs From .DARPAN Based On Textbook) (MCQs based on Textual Illustrations and Exercise )|11 Videos

  • ALTERNATING CURRENTS

    KUMAR PRAKASHAN|Exercise SECTION-D MCQs (COMPETITIVE EXAMS)|64 Videos

  • BOARD'S QUESTION PAPER MARCH-2020

    KUMAR PRAKASHAN|Exercise PART-B SECTION -C|4 Videos

Similar Questions

Explore conceptually related problems

When a hydrogen atom is excited from ground state to first excited state then

When a hydrogen atom is excited from ground state to first excited state then

Number of spectral line in hydrogen atom is .

Hydrogen atom in ground state is excited by a monochromatic radiation of wavelength lambda = 975 Å then number of spectral lines in resulting spectrum emitted will be ......

The electron in hydrogen atom in a sample is in n^(th) excited state, then the number of differrent spectrum lines obtained in its emission spectrum will be

Hydrogen atom from excited state comes to the ground state by emitting a photon of wavelength lamda , then what is the quantum number of excited states ?

For which quantum number of the binding of electron is zero in hydrogen atom ?

State the number of carbon atoms in 2 moles of carbon .

KUMAR PRAKASHAN-ATOMS-Section-D (MCQs asked in Competitive Exams) (MCQs asked in AIEEE and JEE (Main))
  1. The transistion from the state n = 4 to n = 3 in a hydrogen like atom ...

    Text Solution

    |

  2. The energy required for electron to transist from n = 1 to n = 3 in Li...

    Text Solution

    |

  3. Hydrogen atom is excited from ground state to another state with princ...

    Text Solution

    |

  4. The ionisation potential for ...... nucleus will be minimum.

    Text Solution

    |

  5. In a hydrogen like atom electron makes transition from an energy level...

    Text Solution

    |

  6. The radiation corresponding to 3 to 2 transition of hydrogen atom fall...

    Text Solution

    |

  7. Hydrogen (""(1)H^(1)), Deuterium (""(1)H^(2)), single ionised Helium (...

    Text Solution

    |

  8. Dia-atomic molecule is composed of masses m(1) and m(2) and distance b...

    Text Solution

    |

  9. As an electron makes a transition from an excited state to the ground ...

    Text Solution

    |

  10. Some energy levels of a molecule are shown the figure. The ratio of th...

    Text Solution

    |

  11. An electron from various excited states of hydrogen atom emit radiatio...

    Text Solution

    |

  12. If the series limit frequency of the Lyman series is v(L), then the se...

    Text Solution

    |

  13. The time period of revolution of an electron in its ground state orbit...

    Text Solution

    |

  14. Number of the a-particle deflected in Rutherford's a-particle scatteri...

    Text Solution

    |

  15. The ionisation energy of hydrogen atom is 13.6 eV, the ionisation ener...

    Text Solution

    |

  16. To explain his theory, Bohr used………

    Text Solution

    |

  17. In terms of Bohr radius a, the radius of the second Bohr orbit of a hy...

    Text Solution

    |

  18. The radius of hydrogen atom in its ground state is 5.3xx10^(-11)m. Aft...

    Text Solution

    |

  19. J.J.Thomson's cathode ray tube experiment demonstrated that ......

    Text Solution

    |

  20. In which of the following system will the radius of the first orbit (n...

    Text Solution

    |