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For photoelectric emission, threshold wa...

For photoelectric emission, threshold wavelength of a metal is 2460 `Å`. If ultraviolet light of wavelength 1810 `Å` be incident on the metal, what will be the maximum kinetic energy of the emitted electrons? [Planck's constant `= 6.62xx10^(-34) J.s`, velocity of light in veccuum `= 3xx10^(8) m.s^(-1)`]

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The correct Answer is:
`2.156 eV`
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CHHAYA PUBLICATION-QUANTUM THEORY-Exercise (Problem Set- I)
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  2. Stopping poential for the electrons emitted due to incidence of light ...

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  3. For photoelectric emission, threshold wavelength of a metal is 2460 Å....

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  4. The stopping potential of copper is 2.72V for light of wavelength 1849...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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