Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Focus an axial ray

  1. Feb 13, 2006 #1
    is it possible to focus an axial ray through a double plano piece of glass placed in air?

    i dont think so because the glass will not reflect the ray towards the optical axis for the ray to focus in. is this thinking correct?
  2. jcsd
  3. Feb 13, 2006 #2


    User Avatar
    Staff Emeritus
    Science Advisor

    What is the requirement for refraction?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook