thanks i knew i had to do that but I am getting a different answer to the textbook,
My answer - 32.61 degrees'
text books answer 69.4 degrees
sorry 4 the trouble
Thanks regards Ryan
ryanvoy@hotmail.com
A block of crown glass (refractive index - 1.52) is covered by a sheet of water (refractive index - 1.33). a ray of light incident on the water with a angle of incidence of 55 degrees. find the angle that this ray makes with the normal when it emerges from the glass...
PLEASE help, this is...