The glass with the refractive index n1 = 1.5 is surrounded by another glass with the refractive index n2. Determine the refractive index n2 if the critical angle for total internal reflection between the two is 80°.
Answer (1)
23rd Nov, 2021
θ= 80°
n1 = 1.5
sinθ= n2/n1
n2= n1 × 80°
n2 = 1.48
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