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

2

C

6

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE & X-RAY

    MOTION|Exercise Exercise - 2|31 Videos
  • ATOMIC STRUCTURE & X-RAY

    MOTION|Exercise QUESTIONS FOR PRACTICE|12 Videos
  • ALTERNATING CURRENT

    MOTION|Exercise EXERCISE - 4 (LEVEL - II)|14 Videos
  • CALORIMETRY

    MOTION|Exercise EXERCISE - 3 Section - B|4 Videos

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.

MOTION-ATOMIC STRUCTURE & X-RAY -Exercise - 1
  1. The wavelength of the first line of Lyman series for hydrogen atom is ...

    Text Solution

    |

  2. The series corresponding to minimum wavelength transition in H-atom :-

    Text Solution

    |

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

    Text Solution

    |

  4. Which series of H(2) atom lie in infrared region?

    Text Solution

    |

  5. The Wavelength of first member of Balmer series in hydrogen spectrum i...

    Text Solution

    |

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

    Text Solution

    |

  7. Which of the following may be representing graph between number of sca...

    Text Solution

    |

  8. The total energy of eletcron in the ground state of hydrogen atom is -...

    Text Solution

    |

  9. In a discharge tube ionization of enclosed gas is produced due to coll...

    Text Solution

    |

  10. The energy of K-electron in tungsten is -20.0 keV and of an L-electron...

    Text Solution

    |

  11. If the radiation of Mo (Z = 42) has a wevelength of 0.71Å, calculate w...

    Text Solution

    |

  12. In coolidge tube the potential difference between cathode and anticath...

    Text Solution

    |

  13. An X-ray tube when operated at 60 kV, then reading of tube current is ...

    Text Solution

    |

  14. If the X–ray tube is working at 25 kV then the minimum wavelength of X...

    Text Solution

    |

  15. The distance between interatomic lattice planes is 10Å. The maximum wa...

    Text Solution

    |

  16. The wavelength of K(alpha) –line characteristic X–rays emitted by an e...

    Text Solution

    |

  17. The structure of solids is invested by using

    Text Solution

    |

  18. 50% of X–rays obtained from a Coolidge tube pass through 0.3 mm. thick...

    Text Solution

    |

  19. The ionisation energies of K-shell for cobalt, copper, and molebdenum ...

    Text Solution

    |

  20. The intensity of X–rays of wavelength 0.5Å reduces to one fourth on pa...

    Text Solution

    |