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Diffstat (limited to '2020/04/hyperphysics/light_and_vision/index_of_refaction.md')
| -rw-r--r-- | 2020/04/hyperphysics/light_and_vision/index_of_refaction.md | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/2020/04/hyperphysics/light_and_vision/index_of_refaction.md b/2020/04/hyperphysics/light_and_vision/index_of_refaction.md new file mode 100644 index 0000000..3773c0e --- /dev/null +++ b/2020/04/hyperphysics/light_and_vision/index_of_refaction.md @@ -0,0 +1,15 @@ + +; http://hyperphysics.phy-astr.gsu.edu/hbase/geoopt/refr.html + +(eq nu (/ c v)) + +(var nu "index of refraction") +(var c "velocity of light in vacuum") +(var v "velocity of light in the medium") + +; Material examples for nu: +; Vacuum 1.000 +; Air 1.000277 +; Water 4/3 +; Ice 1.31 +; Crown glass 1.50 to 1.62 |