1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
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: Glass is Green?

  1. Nov 12, 2007 #1
    Glass is Green???

    when the glass is viewed at their edge , it looks green .

    1.why it is green when viewed at the edge ?
    2.Why its not green when we view other than the edge ?

    i think polarization is the effect but if so,how does it take place .

    please help me in this homework
    thank u
  2. jcsd
  3. Nov 12, 2007 #2


    User Avatar
    Homework Helper

    It preferentially scatters this color when light goes through it, the same reason why the sky is blue. This means that glass absorbs and re-emits green light by preference. When the light is re-emitted it can be sent off in another direction - it is scattered in different directions and get caught up inside of the glass due to multiple absorptions and re-emissions. When one look at the glass sideways the amount of green light exiting the side will be more than that exiting a flat side due to the fact that more atoms are along the line of site when you look at the glass sideways.
    Last edited: Nov 12, 2007
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook