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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/043/05/0401-0406

    • Keywords

       

      Laser beam deflection; diffusion coefficient

    • Abstract

       

      A simple method based on laser beam deflection to study the variation of diffusion coefficient with concentration in a solution is presented. When a properly fanned out laser beam is passed through a rectangular cell filled with solution having concentration gradient, the emergent beam traces out a curved pattern on a screen. By taking measurements on the pattern at different concentrations, the variation of diffusion coefficient with concentration can be determined.

    • Author Affiliations

       

      Achamma Kurian1 2 C V Bindhu1 S S Harilal1 Riju C Issac1 V P N Nampoori1 C P G Vallabhan1

      1. Department of Physics, Catholicate College, Pathanamthitta - 689 645, India
      2. Laser Division, Department of Physics, Cochin University of Science and Technology, Cochin - 682 022, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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