Question:medium

The photoelectric threshold of a metal is 2000. The energy of electrons ejected from the surface by ultraviolet light of wavelength 1500 is

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Kinetic energy depends on difference of reciprocals of wavelengths.
Updated On: Mar 18, 2026
  • 2.0 eV
  • 1.5 eV
  • 15 eV
  • 150 eV
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The Correct Option is A

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