V2EX photoelectric

Photoelectric

释义 Definition

光电的;光电效应的:指与光(尤其是光照)引起的电现象有关,例如光照使材料产生电流或释放电子(光电效应)。

发音 Pronunciation

/fotolktrk/

例句 Examples

A photoelectric sensor turns on the light automatically.
光电传感器会自动把灯打开。

The photoelectric effect provided key evidence that light can behave like particles, shaping early quantum theory.
光电效应为“光也能像粒子一样行为”提供了关键证据,并推动了早期量子理论的发展。

词源 Etymology

photo- 来自希腊语 *phōs/phōt-*(“光”),electric 与“电”有关(源自希腊语 ēlektron,原指“琥珀”,因摩擦琥珀会产生静电)。合起来 photoelectric 字面意思就是“由光引起的电(现象)的”。

相关词 Related Words

文学与著作中的用例 Notable Works

  • Albert Einstein, “On a Heuristic Point of View Concerning the Production and Transformation of Light” (1905)(讨论光电效应并提出光量子思想)
  • Robert A. Millikan, “A Direct Photoelectric Determination of Planck’s ‘h’” (1916)(通过光电实验精确测定普朗克常数)
  • Richard P. Feynman, Robert B. Leighton, Matthew Sands, The Feynman Lectures on Physics(在量子与光的章节中讲解光电效应/相关概念)
  • Arthur Beiser, Concepts of Modern Physics(现代物理教材中常以光电效应作为量子理论入门案例)
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