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The kinetic energy of electrons ejected from the surface of a metal ranges from :
  • a)
    0 to hv - φ
  • b)
     0 to φ
  • c)
    0 to eVs
  • d)
    0 to φ/e
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The kinetic energy of electrons ejected from the surface of a metal ra...
Correct Answer :- a
Explanation : In the photoelectric effect, each photon donates all of its energy hf to an electron in the metal. If this process occurs at the metal surface, the electron is released into the vacuum with a kinetic energy given by:
Kmax = hf - phi
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Most Upvoted Answer
The kinetic energy of electrons ejected from the surface of a metal ra...
KEmin = 0 when the incident energy is just equal to the work function.
⇒  when all the excess energy is given to the ejected electron and no energy is lost.
The correct answer is: 0 to  hv - φ
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Community Answer
The kinetic energy of electrons ejected from the surface of a metal ra...
The kinetic energy of electrons ejected from the surface of a metal can range from 0 to hv, where h is Planck's constant and v is the frequency of the incident light. This is known as the photoelectric effect, where electrons are ejected from a metal surface when light of sufficient energy (or frequency) is incident on the surface. The maximum kinetic energy of the ejected electrons is given by hv, where all the energy of the incident light is transferred to the electrons.
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