Home
Class 12
PHYSICS
Electron exicted from lower orbit to hig...

Electron exicted from lower orbit to higher orbit and returns back to ground state from excited state with a life time1 nanosecond by emitting a photon of wave length 600nm. Calculate uncertainity in the energy of the excited state. Also calculate the percentage uncertainity, if the energy is measured from ground state.

A

`5 omega`

B

`379.6 omega`

C

`3776 omega`

D

`1883 omega`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC WAVES

    AAKASH SERIES|Exercise EXERCISE -IB|37 Videos
  • ELECTROMAGNETIC INDUCTION

    AAKASH SERIES|Exercise Additional Exercise|11 Videos
  • ELECTROMAGNETICS

    AAKASH SERIES|Exercise ADDITIONAL EXERCISE|13 Videos

Similar Questions

Explore conceptually related problems

When a hydrogen atom is raised from the ground state to an excited state

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

When a hydrogen atom is excited from ground state to first excited state, then

when a hydrogen atom is raised from the ground state to an excited state

when a hydrogen atom is raised from the ground state to an excited state

In atension of state n from a state of excitation energy given is 10.19 eV , hydrogen atom emits a photon with wavelength 4890 Å . Determine the binding energy of the initial state.

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:

Calculate the orbital period of the electron in the first excited state of hydrogen atom.

Calculate the ratio of energies of He^(+) for 1^(st) & 2^(nd) excited state.

When an electron in hydrogen atom is taken from fourth excited state to ground state

AAKASH SERIES-ELECTROMAGNETIC WAVES-EXERCISE -II
  1. Lesch Nyhan disease is an X-linked recessive disorder that causes neur...

    Text Solution

    |

  2. A parallel plate capacitor of plate separation 2 mm is connected in an...

    Text Solution

    |

  3. A condenser has two conducting plates of radius 10cm separated by a di...

    Text Solution

    |

  4. An AC rms voltage of 2V having a frequency of 50 KHz is applied to a c...

    Text Solution

    |

  5. A condenser is charged using a constant current. The ratio of the mag...

    Text Solution

    |

  6. The magnetic field between the plates of radius 12 cm separated by dis...

    Text Solution

    |

  7. A wave of the wavelength 5900Å emitted by an atom or molecule must hav...

    Text Solution

    |

  8. Electron exicted from lower orbit to higher orbit and returns back to ...

    Text Solution

    |

  9. The cell constant is given by

    Text Solution

    |

  10. An electromagnetic wave of frequency upsilon=3 MHz passes from vacuum ...

    Text Solution

    |

  11. A plane electromagnetic wave of frequency 50 MHz travels in free space...

    Text Solution

    |

  12. A plane electromagnetic wave of frequency 40 MHz travels in free space...

    Text Solution

    |

  13. In an apparatus, the electric field was found to oscillate with an amp...

    Text Solution

    |

  14. For plane electromagnetic waves propagating in the z-direction , which...

    Text Solution

    |

  15. The amplitude of electric field in an electromagnetic wave is 60 Vm^(...

    Text Solution

    |

  16. Light with an energy flux of 18W//cm^(2) falls on a non-reflecting sur...

    Text Solution

    |

  17. A uniform round object of mass M, radius R and moment of inertia about...

    Text Solution

    |

  18. Light with energy flux 36w/cm2 is incident on a well polished metal sq...

    Text Solution

    |

  19. The maximum electric field of a plane electro- mag-netic wave is 88 V/...

    Text Solution

    |

  20. The maximum electric field of a plane electro- mag-netic wave is 88 V/...

    Text Solution

    |