Unpolarized light is incident on a waveguide made of a dense
glass (index of refraction n2 ) that is coated with a
layer of quartz (index of refraction n3). The waveguide
is immersed in a medium with index of refraction n1.
Assume the wavelength of of the incident light is 500
nm, n1= 1.00, n2= 1.80 and n3 =
1.45.
A) The speed of light in the dense glass is most nearly ["2.25",
"1.875", "2.00", "1.50", "3.00", "1.67"] x 108...