Home
Class 12
PHYSICS
A hydrogen atom in a having a binding of...

A hydrogen atom in a having a binding of `0.85eV`makes transition to a state with excited energy `10.2eV`(a) identify the quantum number n of theupper and the lower energy state involved in the transition (b) Find the wavelength of the emitted radiation

Text Solution

Verified by Experts

The correct Answer is:
`[4,2,4870Å]`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC PHYSICS

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

  • CAPACITANCE

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

Similar Questions

Explore conceptually related problems

A hydrogen atom in a state having a binding energy of 0.85 eV makes transition to a state with excitation energy 10.2 eV. The quantum number n of the upper and the lower energy states are

(a) (i) Find the wavelength of the radiation required to excite thye elctron in Li(++) from the first to the third Bohr orbit. (ii) How many spectal lines are observed in the emission spectrum of the above excited system ? (b) The energy needed to detach the electron of a hydrogen-like ion in ground state in 4 rydberg. (i) What is the wavelength of the radiation emitted when the electron jumps from the first excited state ot the ground state ? (ii) What is the radius of first orbit ? (c ) A hydrogen sample is prepared in a particular excited state A. Photons of energy 2.55 eV get absorbed into the sample to take some electrons to a further excited state B. Find the quantum number of the A and B. (d) A hydrogen atom in a state having a binding energy of 0.85 eV makes transition to a state with excitation energy 10.2 eV. (i) Identify the quantum number n of the upper and the lower energy states. Find lambda .

A hydrogen atom in a state of binding energy 0.85 eV makes a transition to a state of excitation energy of 10.2 eV . Find the energy and wavelength of photon emitted.

A hydrogen atom in a state of binding energy 0.55eV make a trasisition to a state of excitation energy of 10.2 eV (i) what is the initial state of hydrogen atom? (ii) what is the final state of hydrogen atom? (iii) what is the wavelength of the photon emitted?

A hydrogen atom emits ultraviolet of wavelength 102.5 nm what are the quantum number of the state involved in the transition?

A hydrogen atom is in a state of ionization energy 0.85 eV. If it makes a transition to the ground state, what is the energy of the emitted photon.

A hydrogen atom is in the third excited state. It make a transition to a different state and a photon is either obsorbed or emitted. Determine the quantum number n of the final state and the energy energy of the photon If it is a emitted with the shortest possible wavelength. b emitted with the longest possible wavelength and c absorbed with the longest possible wavelength.

A hydrogen atom (ionisation potential 13.6 eV ) makes a transition from third excited state to first excied state. The enegry of the photon emitted in the process is

By giving energy to a hydrogen atom in energy state n=1. If the potential energy of the atom in n=1 state be -13.6 eV , calculate (a) potential enregy in state n=4, (b) energy absorbed by the atom in the transition, and (c) wavelength of radiation emitted during transition from n=4 to n=1 state.

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-Unsolved Numerical Problems
  1. The evrage kinetic energy of molecules in a gas at temperature T is 1....

    Text Solution

    |

  2. A well collimated parallel pencil of cathode rays falls through a pote...

    Text Solution

    |

  3. A hydrogen atom in a having a binding of 0.85eVmakes transition to a s...

    Text Solution

    |

  4. A hypothetcal, hydrogen like atom consists of a nucleus of mass m(1) a...

    Text Solution

    |

  5. Whenever a photon is emitted by hydrogen in balmer series it is follow...

    Text Solution

    |

  6. A particular hydrogen like atom with radiation of frequency 2.467 xx 1...

    Text Solution

    |

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

    Text Solution

    |

  8. A single electron orbits a stationary nucleus of charge + Ze, where Z ...

    Text Solution

    |

  9. At what minimum kinetic energy must a hydrogen atom move for it's inel...

    Text Solution

    |

  10. Consider a hydrogen-like atom whose energy in nth excited state is giv...

    Text Solution

    |

  11. A hydrogen atom moving at speed v collides with another hydrogen atom ...

    Text Solution

    |

  12. A double ionised lithium atom is hydrogen like with atomic number 3 ...

    Text Solution

    |

  13. Electron are emitted from an electron gun at almost zero velocity and ...

    Text Solution

    |

  14. A hydrogen like gas emits radiation of wavelengths 460 Å, 828 Å and 10...

    Text Solution

    |

  15. A gas of hydrogen like ions is prepared in a particular excited state ...

    Text Solution

    |

  16. Find the temperature at which the everage thermal kinetic energy is eq...

    Text Solution

    |

  17. A spectroscopic instrument can resolve two nearly wavelength lambda an...

    Text Solution

    |

  18. A hydrogen atom in the normal state is located at a distance r = 2.5 c...

    Text Solution

    |

  19. Using Bohr's theory show that when n is very large the frequency of ra...

    Text Solution

    |

  20. In a hydrogen like ionized atom a single electron is orbiting around ...

    Text Solution

    |