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If an electron is send through a potenti...

If an electron is send through a potential difference of 60V, what will be the wavelength associated with it?

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The correct Answer is:
`1.584 Å`
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The de Broglie wavelength associated with an electron accelerated through a potential difference V is lamda . What will be its wavelength when the accelerating potential is increased to 4 V?

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Statement I: If a stationary electron is accelerated with a potential difference of 1V, its de Broglie wavelength becomes 12.27 Å approximately. Statement II: The relation between the de Broglie wavelength lamda and the accelerating potential V of an electron is given by lamda = (12.27)/(V) Å

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The de Broglie wavelength for an electron moving under potential V is lambda . What will he the wavelength if the potential be 4V

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CHHAYA PUBLICATION-QUANTUM THEORY-Exercise (Problem Set- I)
  1. The photoelectric work function of a metal is 1.2 eV. What will be the...

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  2. The photoelectric work function of a metal is 3800 Å. If an ultraviole...

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  3. Find out the photoelectric threshold wavelength of copper. Given work ...

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  4. Find the photoelectric threshold frequency of a metal is 6525 Å. What ...

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  5. A monochromatic source, emitting light of wavelength, 600 nm, has a po...

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  6. The threshold frequency of a metal is f(0). When the light of frequenc...

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  7. By how much would the stopping potential for given photosensitive surf...

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  8. Calculate the threshold frequency of photon for photoelectric emission...

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  9. Calculate the kinetic energy of photoelectrons in eV emitted on shinin...

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  10. Calculate the maximum kinetic energy of electrons emitted from a phot...

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  11. The de Broglie wavelength associated with a moving particle changes fr...

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  12. Determine the de Broglie wavelength of an electron moving with velocit...

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  13. For a moving electron, the de Broglie wavelength is 1 Å. What will be ...

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  14. If an electron is send through a potential difference of 60V, what wil...

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  15. The de Broglie wavelength of a moving electron is 1 Å. What is its vel...

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  16. A neutron of mass 1.66xx10^(-27) kg has a kinetic energy of 0.04eV. Wh...

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  17. What is the de Broglie wavelength of an alpha-particle moving with a v...

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  18. What will be the de Broglie wavelength of an electron of kinetic energ...

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  19. The wavelength associated with a photon and the de Broglie wavelength ...

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  20. Calculate de Broglie wavelength of an electron beam accelerated throug...

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