Home
Class 12
PHYSICS
Find the numerical value fo De Broglie w...

Find the numerical value fo De Broglie wavelength of an electron in the `1^(st)` orbit of hydrogen atom assuming Bohr's atomic model. You can use statndard values of the constants. Leave your answer in terms of `pi`.

Text Solution

Verified by Experts

The correct Answer is:
`lambda= 2 pi r =2 pixx0.529Å=1.058 pi Å`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC PHYSICS

    RESONANCE|Exercise Exercise ( Part II : Only one one correct type)|37 Videos
  • ATOMIC PHYSICS

    RESONANCE|Exercise Exercise (2) Only one option correct type|30 Videos
  • ATOMIC PHYSICS

    RESONANCE|Exercise Solved miscellaneous problems|14 Videos
  • ALTERNATING CURRENT

    RESONANCE|Exercise HIGH LEVEL PROBLEMS|11 Videos
  • CAPACITANCE

    RESONANCE|Exercise High Level Problems|16 Videos

Similar Questions

Explore conceptually related problems

The de-Broglie wavelength lambda_(n) of the electron in the n^(th) orbit of hydrogen atom is

Find de-Broglie wavelength of single electron in 2 nd orbit of hydrogen atom by two methods.

the number of de broglie wavelength contained in the second bohr orbit of hydrogen atom is

The de Broglie's wavelength of electron present in first Bohr orbit of 'H' atom is :

what is the ratio of de-Broglie wavelength of electron in the second and third Bohr orbits in the hydrogen atoms?

What is the value of angular momentum of electron in the second orbit of Bohr’s model of hydrogen atom?

If velocity of an electron in 1^(st) Bohr orbit of hydrogen atom us x , its velocity in 3^(rd) orbit will be.

RESONANCE-ATOMIC PHYSICS-Exercise 1 Part-1 subjective questions
  1. Photo electrons are liberated by ultraviolet light of wavelength 3000 ...

    Text Solution

    |

  2. Two identical non-relativitic partcles A and B move at right angles to...

    Text Solution

    |

  3. Find the numerical value fo De Broglie wavelength of an electron in th...

    Text Solution

    |

  4. Find the radius and energy of He^(+) ion in the states (a) n=2, (b) n=...

    Text Solution

    |

  5. A positive ion having just one electron ejected it if a photon of wave...

    Text Solution

    |

  6. Find the temperature at which the average kinetic energy of the molecu...

    Text Solution

    |

  7. A monochromatic light soure of frequency f illuminates a metallic sur...

    Text Solution

    |

  8. Find the smallest wavelength in emission spectra of (a) hydrogen, (b) ...

    Text Solution

    |

  9. Calculate the angular frequency of revolution of an electron occupying...

    Text Solution

    |

  10. Find the quantum number n corresponding to the excited state of He^(+)...

    Text Solution

    |

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

    Text Solution

    |

  12. A stationary hydrogen atom emits a photon corresponding to first line ...

    Text Solution

    |

  13. From the condition of the foregoing problem, find how much (in %) the ...

    Text Solution

    |

  14. Consider a gas consisting Li^(+2) (which is hydrogen like ion). (a) ...

    Text Solution

    |

  15. A free atom of iron emits Kalpha X-rays of energy 6.4 keV. Calculate t...

    Text Solution

    |

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

    Text Solution

    |

  17. Find the cutoff wavelength for the continuous X-rays coming from an X-...

    Text Solution

    |

  18. If the operating potential in an X-ray tube is increased by 1%, by wha...

    Text Solution

    |

  19. One increasing the operating voltage in a x-ray tube by 1.5 times, the...

    Text Solution

    |

  20. An X-ray tube operates at 40 kV. Suppose the electron converts 70% of ...

    Text Solution

    |