Recent content by ed1234

Thanks for your suggestion, but since there's no single boundary (n changes gradually) I'm not sure that your picture is quite what the question wants. If anyones got any further help I'd appreciate it. Thanks

Homework Statement The refractive index of the Earth's atmosphere is: n=1.01+(alpha)(R-r) where (alpha) is a constant, r is radial distance from Earth's centre and R is the Earth's radius. By considering a path comprising a series of total internal reflections or otherwise, find a value of...