Physics Stack Exchange is a question and answer site for active researchers, academics and students of physics. It's 100% free.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I guess this is the same as for cylinders, when light is shone through parallel to the cross-section, but Google-ing this only turns up lenses like the ones used in glasses.

I'm looking for something like what's described in this article:

I hope to determine the veracity of the equation described there.

share|cite|improve this question
Does this link help? – Keep these mind Mar 16 '13 at 22:33
DarkLightA: doesn't your own link answer your question? – Colin K Mar 16 '13 at 22:52
Thanks Gugg! Make it an answer! Colin K, it was the only source I could find, so I was somewhat skeptical. – DarkLightA Mar 16 '13 at 22:55
Also, is there a way to determine how much will be reflected backwards off a side of a sphere, compared to what passes through? – DarkLightA Mar 16 '13 at 22:56
I found this (pdf-alert). – Keep these mind Mar 16 '13 at 23:19
up vote 1 down vote accepted

At your request. Here's somebody working it out for you.

share|cite|improve this answer
Perfect! Thanks! – DarkLightA Mar 16 '13 at 23:08

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.