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what happens when light enters any medium other than vaccuum?i mean photons interact with electrons and nucleus still their path never changes. why??
- Prasann Sethi (age 19)
I'm surprised you say "their path never changes". Think of what happens to light as it passes through a prism or a lens, or as it bounces off a mirror. Those interactions you mention do change the path of the light.
(published on 03/27/11)
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