Home
Class 12
PHYSICS
Hydrogen atom in ground state is excited...

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

A

3

B

4

C

6

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaE=(1242)/(97.5)=12.75 eV`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The hydrogen atom in ground state is excited by a monochromatic radiation of wavelength lambda = 1025 A . The possible number of emmision spectral lines in the spectrum will be (hc = 12400 eV A)

What is the number of spectral line in a hydrogen spectrum ?

Hydrogen atom is ground state is excied by mean of monochromatic radiation of wavelength 975Å How many asume different lines are possible is the resulting spactrum ? Calculate the lorgest energy for hydrogen atom as 13.6 eV

A sample consisting of Hydrogen atoms in the ground state is excited by monochromatic radiation of energy 12.75 eV. If we were to observe the emission spectrum of this sample, then the number of spectral lines observed, will be

A gas of hydrogen atoms in its ground state, is excited by means of monochromatic radiation of wavelength 975A^(0) . How many different spectral lines are possible in the resulting spectrum? (hc=12431.25eV-A^(0))

A hydrogen atom in the ground state is excited by monochromatic radiation of wavelength lambda A . The resulting spectrum consits of maximum 15 different lines. What is the wavelength lambda ?

The hydrogen atom in the ground state is excited by mass of monchromatic radiations of wavelength lambda Å . The resulting spectrum consists fo maximum 15 different lines . What is the value of lambda ? ( R_H = 109737 cm^(-1)) .

Hydrogen atom in this ground state is excited by means of monochromatic radiation of wavelength 975Å . How many different lines are possible in the resulting spectrum? Calculate the longest wavelength amongst them. You may assume the ionization energy for hydrogen atom is 13.6eV

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

Hydrogen atom in its ground state is excited by means of monochromatic radiation of wavelength 975A^(@) . How many different lines are possible in the resulting spectrum? Calculate the longest wavelength amongst them.

CP SINGH-BOHR THEORY-Exercises
  1. The figure indicates the enegry level diagram of an atom and the origi...

    Text Solution

    |

  2. The ionisation potential of hydrogen atom is -13.6 eV. An electron in...

    Text Solution

    |

  3. Hydrogen atom in ground state is excited by a monochromatic radiation ...

    Text Solution

    |

  4. A hydrogen sample is prepared in a particular state A photon of energy...

    Text Solution

    |

  5. A hydrogen atom in a state having a binding energy of 0.85 eV makes tr...

    Text Solution

    |

  6. Imagine an atom made of a proton and a hypothetical particle of double...

    Text Solution

    |

  7. In an excited state of hydrogen like atom an electron has total energy...

    Text Solution

    |

  8. Light form a dicharge tube containing hydrogen atoms falls on the surf...

    Text Solution

    |

  9. The electron in the hydrogen atom jumps from excited state (n=3) to it...

    Text Solution

    |

  10. Three photons coming from excited atoms hydrogen sample are picked up ...

    Text Solution

    |

  11. In a laboratory experiment on emission from atomic hydrogen in a disch...

    Text Solution

    |

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

    Text Solution

    |

  13. Consider an eelctron in the nth orbit of a hydrogen atom in the Bohr m...

    Text Solution

    |

  14. The ratio of the longest and shortest wavelengths of the Lyman series ...

    Text Solution

    |

  15. The ratio of longest wavelength and the shortest wavelength observed i...

    Text Solution

    |

  16. In terms of Rydberg's constant R, the wave number of the first Balman ...

    Text Solution

    |

  17. The wavelength of the first line of the Balmer series of hydrogen atom...

    Text Solution

    |

  18. The wavelength of the first line of Lyman series for hydrogen atom is ...

    Text Solution

    |

  19. Every series of hydrogen spectrum has an upper and lower limit in wave...

    Text Solution

    |

  20. Let v(1) be the frequency of series limit of Lyman series, v(2) the fr...

    Text Solution

    |