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    • The Easiest Proof of Fermat's Principle

      General Article Volume 23 Issue 8 August 2018 pp 861-869

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/reso/023/08/0861-0869

    • Keywords

       

      Optical path, stationary, reflection, refraction, curved surface.

    • Abstract

       

      This article presents the easiest direct proof of Fermat’s principlewith the help of differential calculus for all types of surfaces.

    • Dates

       
      Published
      3 August 2018

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