From b8e167ccb7409e684fa8dd6b1a8cf55b1ecebc50 Mon Sep 17 00:00:00 2001 From: Bryan Newbold Date: Sat, 27 Jun 2020 17:05:42 -0700 Subject: add notes from April 2020 --- 2020/04/hyperphysics/light_and_vision/snells_law.md | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 2020/04/hyperphysics/light_and_vision/snells_law.md (limited to '2020/04/hyperphysics/light_and_vision/snells_law.md') diff --git a/2020/04/hyperphysics/light_and_vision/snells_law.md b/2020/04/hyperphysics/light_and_vision/snells_law.md new file mode 100644 index 0000000..56add0d --- /dev/null +++ b/2020/04/hyperphysics/light_and_vision/snells_law.md @@ -0,0 +1,15 @@ + +Snell's Law + +(eq (/ n_1 n_2) + (/ (sin Omega_2) + (sin Omega_1))) + +(Omega_1 "angle from boundry for first medium") +(Omega_2 "angle from boundry for second medium") +(n_1 "index of refaction of first medium") +(n_2 "index of refaction of second medium") + + +good example is the 22 degree halo: Ice (n=1.31), two refractions from 60 +degree prism (hexagonal ice crystal) -- cgit v1.2.3