Eugene is given a clear material to identify. He shines a laser at the surface of the material at an angle of 25o. The angle of the refracted ray is 16.7o. Identify the clear material. Show how you arrived at this answer using
Given:
Required:
Formula:
Solution:
Paraphrase:
+36916 Given n1 = refractive index of air = 1 (approx)
angle 1 = 25 degrees
angle 2 = 16.7
Required : n2 (refractive index of the material in question)
Formula : Snell's Law n1/n2 = sin2/sin1
Solution: n1/n2 = sin 16.7/sin(25) n2 = 1.47 = approx refractive index of Glycerin (again)
