97.24: The accompanying diagra
k rtqufqam;o3s c a4:0 c *w.*8wqb(erm shows the path that a light ray takes passing through three transparent materials. The indices of refraction in materials 1, 2, and 3 are n1, n2, and n3, respectively. Which
f ;rc :4**a.w o8ak3qs0qq ewrtucb (m of the following best describes the relation between the indices of refraction?