Home
Class 12
PHYSICS
A hydrogen atom ia in excited state of ...

A hydrogen atom ia in excited state of principal quantum number `n` . It emits a photon of wavelength `lambda` when it returnesto the ground state. The value of `n` is

A

`sqrt(lamdaR(lamdaR-1))`

B

`sqrt((lamdaR-1))/(lamdaR)`

C

`sqrt((lamdaR)/(lamdaR-1)`

D

`sqrt(lamda(R-1))`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ATOMIC PHYSICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Options Correct|30 Videos

  • ATOMIC PHYSICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems|39 Videos

  • ATOMIC PHYSICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Conceptual MCQs Single Option Correct|29 Videos

  • CAPACITANCE

    PHYSICS GALAXY - ASHISH ARORA|Exercise UNSOLVED NUMERICAL PROBLEMS|40 Videos

Similar Questions

Explore conceptually related problems

An excited state of H atom emits a photon of wavelength lamda and returns in the ground state. The principal quantum number of excited state is given by:

Hydrogen atoms are excited from ground state to the principal quantum number 5. Number of spectral lines observed will be

A hydrogen like atom number Z is in an excited state of quantum number 2n. It can emit a maximum energy photon of 204 eV. If it makes a transition ot quantum state n, a photon of energy 40.8 eV is emitted. Find n, Z and the ground state energy (in eV) of this atom. Also calculate the minimum energy of hydrogen atom is -13.6 ev.

Hydrogen atom is excieted from ground state to another state with principal quantum number equal to 4

In a hydrogen sample atoms are excited to the state with principal quantum number n. The number of different possible wavelengths emitted is

He^(+) is in n^(th) state. It emits two successive photons of wavelength 103.7nm and 30.7nm , to come to ground state the value of n is:

Hydrogen atom from excited state comes to the ground state by emitting a photon of wavelength lambda . If R is the Rydberg constant, then the principal quatum number n of the excited state is

The electron in a hydrogen atom jumps back from an excited state to ground state, by emitting a photon of wavelength lambda_(0) = (16)/(15R) , where R is Rydbergs's constant. In place of emitting one photon, the electron could come back to ground state by

The electron in a hydrogen atom initially in state of quantum number n_1 makes a transition to a state whose excitation energy with respect to the ground state is 10.2 eV. If the wavelength associated with the photon emitted in this transition is 487.5 nm, find the (i) energy in eV, and (ii) value of the quantum number, n_1 of the electron in its initial state.

PHYSICS GALAXY - ASHISH ARORA-ATOMIC PHYSICS-NumericalMCQsSingle OptiorisCorrect
  1. A positronium consists of an electron and a positron revolving about t...

    Text Solution

    |

  2. A positronium atom consist of an electron and a positron revolving abo...

    Text Solution

    |

  3. A hydrogen atom ia in excited state of principal quantum number n . I...

    Text Solution

    |

  4. The ratio of the binding energies of the hydrogen atom in the first an...

    Text Solution

    |

  5. Monochromatic radiation of wavelength lambda is incident on a hydrogen...

    Text Solution

    |

  6. Out of the following transitions, the frequency of emitted photon will...

    Text Solution

    |

  7. Imagine a neutral particle of same mass m as electron revolving around...

    Text Solution

    |

  8. Determine the ratio of perimeters in 2^(nd) and 3^(rd) Bohr orbit inHe...

    Text Solution

    |

  9. the photon radiated from hydrogen corresponding to the second line of ...

    Text Solution

    |

  10. An alpha-particle with a kinetic energy of 2.1eV makes a head on colli...

    Text Solution

    |

  11. A hydrogen atom is initially atrest and free to moveis in the second e...

    Text Solution

    |

  12. An gas of H-atom in excited state n(2) absorbs a photon of some energy...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  15. In Bohr's theory the potential energy of an electron at a position is ...

    Text Solution

    |

  16. If first and second frequencies in transition to orbital are related b...

    Text Solution

    |

  17. The ratio of de-Broglie wave length of a photon and an electron of mas...

    Text Solution

    |

  18. A monochromatic radiation of wavelength lambda is incident on a sample...

    Text Solution

    |

  19. Of the following transitions in a hydrogen atom, the one which gives a...

    Text Solution

    |

  20. An electron of the kinetic energy 10 eV collides with a hydrogen atom ...

    Text Solution

    |