A ray of light traveling in air strikes the midpoint of one face of an equiangular glass prism (n = 1.74) at an angle of exactly 30.0â—¦ Trace the path of the light ray through the glass and find the angle of incidence of the ray at the bottom of the prism. Answer in units of â—¦
I found the angle of reflection to be 16.7 and subtracted it from 90. I added the number i got (73.3) with 60 because equiangular, and subtracted the product of those numbers from 180. Shouldn't the number I get be the angle of incidence? I've also subtracted it from 90 to see if it'd work but it didn't.
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Please this UT quest is due in 30 minutes
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