Refractive index

​n21 = n2/n1 OR. n1/n2

  • 2
n21 = n1/n2
n21 is refractive index of medium 2 with respect to the medium 1.
So, refractive index is the ratio of refractive index of medium 1 to refractive index of medium 2.
  • 2
What are you looking for?