Feb 25, 2017
Fermat's Principle, a lecture in Optics.
Fermat’s Principle, a lecture in Optics.
Optics series lecture, Lecture-III “Geometrical Optics and Fermat’s Principle”. This lecture was delivered on 30th Jan 2017. Geometric Optics: When the size of objects that a wave of light interacts with are large compared to the wavelength of light λ, λ can be neglected for practical purposes and the light waves behave like rays of light. Rays of light are geometric line segments from one point…
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