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The energy of photoelectrons emtted from...

The energy of photoelectrons emtted from a photo-snsitive plate is 1.56 eV if threshold waveelngth is `2,500 @A`,calculate the waveelngth of incident light.Given ,1ev`=1.6 xx 10^(-12) erg` and `h=6.62 xx 10^(-27)` erg s.

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MODERN PUBLICATION-Particle Nature of Radiation-EXERCISE
  1. The threshold wavelength of photosensitive metal is 5,000 overset @A ....

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  2. A sheet of silver is illuminated by monochromatic ultraviolet radiatio...

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  3. The energy of photoelectrons emtted from a photo-snsitive plate is 1.5...

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  4. Light of wavelength 5,500 overset @A falls on a sensitive plate with w...

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  5. Light of wavelength 5,500 overset @A falls on a sensitive plate with w...

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  6. Light of wavelength 5,500 overset @A falls on a sensitive plate with w...

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  7. Light of wavelength 5,000 overset @A falls on a sensitive plate with p...

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  8. Light of wavelength 5,000 overset @A falls on a sensitive plate with p...

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  9. Light of wavelength 5,000 overset @A falls on a sensitive plate with p...

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  10. Ligth of waveelength 2,200 overset @A falls on a metal with work funct...

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  11. Find the frequency of light which ejects electrons from a metal surfac...

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  12. The threshold frequency for a certain metal is 3.3 xx 10^14 Hz. If lig...

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  13. If high waves of frequency 8.8 xx 10^(14) Hz is incident on a metal su...

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  14. the work function of potassium is 2.3 eV.If the photoelectrons are emi...

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  15. Work function of sodium is 2.35 eV.What is the maximum waveelngth of l...

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  16. Find the frequency of light which ejects electrons from a metal surfac...

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  17. If phtotlectrons are to be emitted from a potassium surace with a spee...

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  18. Light of wavelength 2,000 overset @A falls on an aluminium surface.In ...

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  19. Light of wavelength 2,000 overset @A falls on an aluminium surface.In ...

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  20. Light of wavelength 2,000 overset @A falls on an aluminium surface.In ...

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