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For photoelectric emission, the threshold frequency is the

Physics
WAEC 2011
For photoelectric emission, the threshold frequency is the
  • A. maximum frequency of incident radiation that will eject elecrons
  • B. minimum fraquency of incident radiation required to eject elecrons
  • C. frequency which results in the emission of the greater number of electrons
  • D. fraquency whch impacts greatest kinetic energy to emitte electrons
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Correct Answer: Option B
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