College Physics ›› 2019, Vol. 38 ›› Issue (12): 28-.doi: 10.16854 /j.cnki.1000 0712.190158

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Light ray,wave and photon as well as model of light in optics

LI Jun-gang,HU Hai-yun   

  1. School of Physics,Beijing Institute of Technology,Beijing 100081,China
  • Received:2019-04-09 Revised:2019-05-22 Online:2019-12-20 Published:2020-01-22

Abstract: Light ray,wave and photon are different physical models in different stages of the development of optics. These models have different application ranges due to their different backgrounds. The applicable conditions of these models are clarified in order to deepen the students’understanding of the corresponding physical concepts and laws.

Key words: physical model, light ray, wave, photon