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Rainbows and prisms

  1. May 15, 2012 #1
    not knowing much of anything about light physics,

    is it possible to change the effects of a prism (the visible light refracted) if it were in an environment with different air composition than our normal environmental composition? or even different pressure?

    so instead of 14.7 psi, 21% oxygen, 78% nitrogen, et cetera, would the light transmit differently with more oxygen and higher/lesser atmospheric pressures?
  2. jcsd
  3. May 15, 2012 #2


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    Although there would be slight effects due to these changes, as long as the density remained anywhere near what it is now, it wouldn't be noticeable.
  4. May 15, 2012 #3


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    Optically, air is almost same as vacuum when compared to the prism. So it's mostly composition of the prism that will have an affect.
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