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Relation between temperature and refractive index

  1. Jul 12, 2011 #1
    whats the relationship between the temperature of water and its refractive index?
  2. jcsd
  3. Jul 13, 2011 #2
    Actually there is no direct relationship between RI and temperature.
    usaually the RI goes down as temperature rises but the change would be very small.
    The RI of water changes less than 0.01% per degree celcius.
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