Home
Class 12
PHYSICS
If an electron jumps from 1^(st) orbit t...

If an electron jumps from `1^(st)` orbit to `3^(rd)` orbit, then it will

A

not lose energy

B

not given energy

C

release energy

D

absorb energy

Text Solution

Verified by Experts

The correct Answer is:
D
Only by absorbing energy, an electron jumps from first orbit to third orbit.
Promotional Banner

Topper's Solved these Questions

  • ATOMIC AND NUCLEAR PHYSICS

    FULL MARKS|Exercise Additional question (Short Answer Questions)|6 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    FULL MARKS|Exercise Additional question (Numerical Problems)|12 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    FULL MARKS|Exercise Textual Evaluation Solved (Exercise)|11 Videos

  • COMMUNICATION SYSTEMS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS  (Additional problems)|3 Videos

Similar Questions

Explore conceptually related problems

When an electron jumps from the second allowed orbit to the first allowed orbit in hydrogen its angular momentum changes by ________ .

If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emis a photon of wavelength . When it jumps from the 4th orbit to the 3rd orbit , the corresponding wavelength pf the photon will be:

When the electron jumps from any of the outer orbits to the first orbit, spectral lines are emitted in the ________ region.

In the nth orbit, the energy of an electron En = -13.6 / n^2 eV hydrogen atom. The energy required to take the electron from first orbit to second orbit will be

Wavelength of a light emitted from second orbit to first orbit in a hydrogen atom is

An electron changes its position from orbit n=2 to the orbit n=3 of an atom. The wavelength of the emitted radiations is

An electron changes its position from orbit n=3 to the orbit n=4 of an atom. The wavelength of the emitted radiations is (R = Rydberg's constant)

FULL MARKS-ATOMIC AND NUCLEAR PHYSICS-Additional question (Multiple Choice Question)
  1. Which one of the relation is correct between time period and number of...

    Text Solution

    |

  2. The size of atom is proportional to

    Text Solution

    |

  3. If an electron jumps from 1^(st) orbit to 3^(rd) orbit, then it will

    Text Solution

    |

  4. According to uncertainty principal for an electron, time measurement w...

    Text Solution

    |

  5. According to Rutherford's atomic model, the electron inside an atom ar...

    Text Solution

    |

  6. Wavelength of a light emitted from second orbit to first orbit in a hy...

    Text Solution

    |

  7. In terms of Rydberg constant R, the wave number of the first Balmer li...

    Text Solution

    |

  8. The K(infty) X-ray emission line of tungsten occurs at lambda = 0.021 ...

    Text Solution

    |

  9. The radius of an electron orbit in a hydrogen atom is of the order of

    Text Solution

    |

  10. Which of the following atoms has the lowest ionisation potential?

    Text Solution

    |

  11. The transition from the state n = 4 to n = 1 in a hydrogen like atom r...

    Text Solution

    |

  12. The number of waves contained in a unit length of the medium is called...

    Text Solution

    |

  13. When hydrogen atom is in its first excited level, its radius is of th...

    Text Solution

    |

  14. The ground state of energy of hydrogen atom is -13.6 eV.What is the po...

    Text Solution

    |

  15. For ionising an excited hydrogen atom, the energy required (in eV) wil...

    Text Solution

    |

  16. What is the energy of He^(+) electron in first order?

    Text Solution

    |

  17. If voltage across on X-ray tube is doubled, then energy of X-ray emitt...

    Text Solution

    |

  18. When hydrogen atom is in its first excited level, its radius is of th...

    Text Solution

    |

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

    Text Solution

    |

  20. When an electron makes transition from n = 4 to n = 2, then emitted l...

    Text Solution

    |