Originally Posted by
trent19 I have always thought snells law was:
n1 sin theta1=n2 sin theta2
where n1 is the refractive index of the first substance,
theta1 is the angle of incidence,
n2 is the refractive index of the second substance and
theta2 is the angle of refraction
Therefore, n1=1.00 (absolute refractive index of air)
n2=1.33 (absolute refractive index of water)
theta1=38 deg
so n1 sin theta 1=n2 sin theta 2
1 sin 38=1.33sin theta2
theta2=sin^-1 (sin38/1.33)
theta2=27.57deg
Hope that helps