Home
Class 11
CHEMISTRY
Average life time of a hydrogen atom exc...

Average life time of a hydrogen atom excited to `n=2 ` state is `10^(-8) s.` Find the number of revolutions made by the electron on an average before it jumps to the ground state. If your answer in scientific notation is `x xx 10^(y), ` then find the value of y.

Text Solution

Verified by Experts

The correct Answer is:
6
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    GRB PUBLICATION|Exercise Match the column type|16 Videos
  • CHEMICAL EQUILIBRIUM

    GRB PUBLICATION|Exercise D.Le Chateliera principle|16 Videos

Similar Questions

Explore conceptually related problems

Average lifetime of a hydrogen atom excited to n = 2 state is 10^(-8) s. Find the number of revolutions made by the electron on the average before it jumps to the ground state.

Avarage lifetime of a hydrogen atom excited to n =2 state 10^(-6)s find the number of revolutions madfe by the electron on the avarage before it jump to the ground state

(a) Find the radius of Li(++) ions in its grounds state assuming Bohr's model to be valid. (b) Find the maximum angular speed of the electron of a hydrogen atom in a stationary orbit. (c ) Average lifetime of a H atom excited to n=2 state is 10^(-8) sec. Find the number of revolutions made by the electron on the average before it jumps to the ground state. (d) Calculate the magnetic dipole moment corresponding to the motion of the electron in the ground state of a hydrogen atom. (e) Using the known values for hydrogen atom, calculate : (i) radius of third orbit for Li^(+2) (ii) speed of electron in fourth orbit for He^(+)

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

The number of possible line of Paschen series when electron jumps from seventh excited state up to ground state (in hydrogen like atom) is :

When an electron revolving in the ground state of a hydrogen atom jumps to its 2^"nd" excited state.

GRB PUBLICATION-ATOMIC STRUCTURE-Subjective Type
  1. Assume that 10^(-17)J of light energy is needed by the interior of the...

    Text Solution

    |

  2. Average life time of a hydrogen atom excited to n=2 state is 10^(-8) ...

    Text Solution

    |

  3. Calculate ratio of wavelength for a proton and alpha-particle . If the...

    Text Solution

    |

  4. With what velocity should an alpha (alpha)- particle travel towards ...

    Text Solution

    |

  5. For a broadcasted electromagnetic wave having frequency of 1200 kHz, c...

    Text Solution

    |

  6. Visible spectrum contains light of following colours ''Violet - Indigo...

    Text Solution

    |

  7. For a wave frequency is 10 Hz and wavelength is 2.5 m. How much distan...

    Text Solution

    |

  8. Calculate minimum value of uncertainity in position of a particle whos...

    Text Solution

    |

  9. In a sample of H-atoms in ground state electrons make transition from ...

    Text Solution

    |

  10. A particular transition in hydrogen atom from a higher level 'A' to lo...

    Text Solution

    |

  11. Calculate frequency of revolution of electron in 4th Bohr orbit Be^(+3...

    Text Solution

    |

  12. If radiation corresponding to first line of ''Balmer series'' of He^(+...

    Text Solution

    |

  13. A sample of hydrogen contains equal number of H^(1),H^(2) "and"H^(3) a...

    Text Solution

    |

  14. A Li^(2+) ion is in a higher excited state of quantum number 'n' This ...

    Text Solution

    |

  15. Two bulbs 'A' and 'B' emit red light and yellow light at 8000 "Å" and ...

    Text Solution

    |

  16. Which state of triply ionised Beryllium (Be^(+++)) the same orbital ra...

    Text Solution

    |

  17. Consider Bohr's theory for hydrogen atom . The magnitude of orbit angu...

    Text Solution

    |

  18. when an electron falls from (n +2) state to (n) state in a He^(+) ion ...

    Text Solution

    |

  19. At what atomic number would a transition from n=2 to n=1 energy level ...

    Text Solution

    |

  20. In a container a mixture is prepared by mixing of three samples of hyd...

    Text Solution

    |