" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
n₂ = 4/3
sin i = sin 45 = 1/2 √2
n₁ sin i = n₂ sin r
sin r = (n₁ sin i)/n₂
sin r = (1 ( 1/2√2)) / 4/3
sin r = 0,53
r = sin⁻¹ 0,53 = 32°