🚀 go-pugleaf

>Brandon Colby writes:
>
>"Just a quick question-
>
>When I was thinking about the dispersion of a rainbow I couldn't remember
>what color was on top, violet or red and why it is? Also, what is the
>exact explanation of how a rainbow is formed.
>
>Thanks for your help.
>Please e-mail me any info you have-
>thanks again,
>Brandon Colby"
>
>Brandon,  I don't have my copy here at home, it is at school, but I am
>fairly sure that Jearl Walker's "Flying Circus of Physics" book has
>the answers to these, and other interesting questions about
>rainbows, among other intriguing physics phenomena.  If you have
>access to a copy you could probably find these explanations in a short
>time.  A decent library or bookstore might have it, and I think
>Carolina also sells it if you have a catalog.
>
>Also, just a bit of netiquette, it is easier to respond to you via
>email when you include your email address in the message.  Without it,
>we need to send back to the listserve.
>
>Good luck in your quest,
>
>Debbie Beightol
>Fremont High School
>Fremont, Ne
>beightol@unlinfo.unl.edu

How about the old mnemonic ROY G. BIV (red, orange, yellow, blue, indigo,
and violet), with the reds, of longer wavelength, being bent less than the
blues, of shorter wavelength?

Paul Otto
University of South Dakota
Vermillion, SD  57069
potto@charlie.usd.edu