英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:



安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Photoelectric effect - Wikipedia
    The photoelectric effect is the emission of electrons from a material caused by electromagnetic radiation such as ultraviolet light Electrons emitted in this manner are called photoelectrons
  • Photoelectric effect | Definition, Examples, Applications . . .
    photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation The effect is often defined as the ejection of electrons from a metal plate when light falls on it
  • Photoelectric Effect - Science Notes and Projects
    Photoelectron Spectroscopy: Determines elemental composition and electronic structure Light Sensors and Cameras : Image sensors in digital cameras rely on photoelectric principles Automatic Doors and Safety Devices : Light sensors activate based on changes in photoelectric current
  • 6. 3: Photoelectric Effect - Physics LibreTexts
    When a metal surface is exposed to a monochromatic electromagnetic wave of sufficiently short wavelength (or equivalently, above a threshold frequency), the incident radiation is absorbed and the exposed surface emits electrons This phenomenon is known as the photoelectric effect
  • Photoelectric Effect: Definition, Equation and Work Function
    These emitted electrons are referred to as photoelectrons The photoelectric effect was discovered in 1887 by German physicist Heinrich Rudolf Hertz while working on relevant radio waves Noted physicist Albert Einstein explained the phenomenon in 1905, for which he got the Nobel Prize in 1921
  • Photoelectric Effect: Explanation Applications - Live Science
    Each particle of light, called a photon, collides with an electron and uses some of its energy to dislodge the electron The rest of the photon's energy transfers to the free negative charge,
  • Photo Electrons: Definition, Properties, and Applications
    A photoelectron is defined as an electron emitted from a material when it absorbs light energy This emission process is called the photoelectric effect and it provides key evidence for the quantum nature of light and matter





中文字典-英文字典  2005-2009