IPhO' 2008
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Why the speed of light decreases when it is in the medium?
Thank you.
Thank you.
The speed of light decreases when it travels through a medium due to interactions with the atoms in that medium. This phenomenon is explained by the refractive index, which quantifies how much light slows down in various materials. The FAQ sticky thread in the General Physics forum provides detailed insights into the mechanisms behind this effect, including concepts such as absorption and re-emission of photons by the medium's atoms.
PREREQUISITESStudents of physics, optical engineers, and anyone interested in the fundamental properties of light and its interactions with various media.