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What is the de Broglie wavelength...

What is the
de Broglie wavelength

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A electron is accelerated through a potential difference of 100V. What is de-Broglie wavelength associated with it? To which part of the electromagnetic spectrum does this value of wavelength correspond?

Show that the de-Broglie wavelength lambda of electrons of energy E is givne by the relation: lambda= h /(sqrt(2 m E)) .

How is the de-Broglie wavelength of a non-relativistic particle associated with its KE (K)?

Calculate the de Broglies wavelength associated with the electron revolving in the first excited state of hydrogen atom. The ground state energy of the hydrogen atom is -13.6 eV.

Calculate the potential difference through which an electron, initially at rest, must be accelerated so that its de Broglie wavelength is equal to 0.40 nm.

X-rays of wavelength lambda fall on an phtot senstive surface,emitting electrons.Assuming that the work function of the surface can be netglected,prove that the de-Broglie wavelength of electrons emited will be sqrt(h lambda//(2 m c)) .

Using bohr's second postaulate of quantisation of orbital angular momentum,show that the circumfernece of the electron in the nth orbital srtate in hydrogen atom is n times the de-Broglie wavelength associated with it.

MODERN PUBLICATION-Wave Nature of Matter-EXERCISE
  1. Obtain de-Broglie waveelngth of an electon of kinetic energy 150 eV.Gi...

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  2. What is the de-Broglie wavelength of an electron with kinetic energy o...

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  3. What is the de Broglie wavelength

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  4. What is the momentum of an electron of energy 100 eV?

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  5. Find de-Broglie wavelength associated with a proton of energy 2 MeV. G...

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  6. Obtain de-Broglie waveelngth of an electon of kinetic energy 150 eV.Gi...

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  7. Find de-Broglie wavelength of neutron at 127 ^@C.Given,Boltzmann's con...

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  8. What is the de-Broglie wavelength of an electron beam accelerated thr...

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  9. Calculate the de-Brogile wavelength of an electron.

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  10. Calculate the momentum and de-Broglie wavelength of the electrons acc...

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  11. Find the de Brogile wavelength associated with an electron accelerated...

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  12. Calculate the momentum and de-Broglie wavelength of the electrons acc...

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  13. What voltage must be applied to an elecron microscope to produce elect...

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  14. A photon and an electron have got same de Brogile wavelength. Which ha...

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  15. A particle is moving with a speed three times as that of an electron.I...

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  16. The electron in given Bohr orbit has a total energy of -3.4 eV.Calcula...

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  17. Calculate the de-Broglie waveelngth of an electron of energy 400 eV.Gi...

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  18. Compute the typical de-Broglie wavelength of an electron in a metal at...

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  19. Find the typical de-Broglie wavelength associated with a He atom in he...

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  20. What voltage must be applied to an elecron microscope to produce elect...

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