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work function for electronic emission from sodium is 1.77 eV. What is the threshold frequency of incident radiation for photon-emission from sodium?

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The correct Answer is:
`7018 Å`
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CHHAYA PUBLICATION-QUANTUM THEORY-Exercise (Problem Set- I)
  1. The stopping potential of copper is 2.72V for light of wavelength 1849...

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  2. When radiation of wavelength lamda is incidenton a metallic surface, t...

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  3. work function for electronic emission from sodium is 1.77 eV. What is ...

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  4. The work function for electron emission from a metal is 1.9 eV, and t...

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  5. The photoelectric threshold wavelength of radiation incident on its su...

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  6. The photoelectric work function of a metal is 1.2 eV. What will be the...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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