# The refractive index is 1.33, the Angle is 45degrees. Find the refracted angle?

### 1 Answer

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- Joe BahamasLv 46 months ago
Sin i/ Sin r = n

n Sin r = Sin i

Sin r = Sin i / n

r = Sin -1 (Sin i / n )

r = Sin -1 (Sin 45 / 1.33 )

r = 32.11

r = 32 degress

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