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When ultraviolet light is incident on certain metallic p articles are emitted. These particles are called

Physics
WAEC 2019

When ultraviolet light is incident on certain metallic p articles are emitted. These particles are called

  • A. positrons
  • B. protons
  • C. photoelectrons
  • D. photons
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Correct Answer: Option C
Explanation

Photoelectrons are electrons that are ejected from a material (usually a metal) when it absorbs photons of light, such as ultraviolet light. This phenomenon is known as the photoelectric effect.

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