## Answers

Sel! Given dele nal (bor air) O, - 30.55 12=1:25 Cunknown substance) M22 1.33 (water) O2 = ? 032? Applying Snell's law to the 1st intertace & n, sino, a na sind of 1x sin(30.5) - 1.25% Sinos 2 Sino, a ix Sin 80.5) 2 - 125 * Sind2 20-406 O2 z Sin'c0.406) :: ©22 23.96€ 1 ::02 • 23.98 Applying Snell's law to the and interdo Carpe • nz sind = ng sino3 & 1.25x Sin (23.96) 2 1.33x sind, o 1:25*0.406- 1.33x Sing3 Sinoza 1.25*0.406 1.22 1:33 & Sinoza 0.382 w Ozz Sint Co.382) - 032 22.43 1 :: 032 22: 4-30

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