The Photoelectric Effect Quiz
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Questions and Answers

What is the minimum frequency of light required to cause the photoelectric effect?

  • It depends on the metal used
  • The frequency of light is irrelevant
  • Any frequency of light can cause the effect
  • The frequency of light must be above a certain threshold (correct)

    • Which of the following factors affects the kinetic energy of emitted electrons in the photoelectric effect?

  • The frequency of the incident light (correct)
  • The intensity of the incident light
  • The angle of incidence of the light
  • The color of the incident light

    • Which of the following is true about the photoelectric effect?

  • It is the reflection of light from a metal surface
  • It is the emission of electrons from a metal surface when light falls on it (correct)
  • It is the absorption of light by a metal surface
  • It is the scattering of light by a metal surface

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