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Diffstat (limited to '2020/04/hyperphysics/light_and_vision/inverse_square_law.md')
| -rw-r--r-- | 2020/04/hyperphysics/light_and_vision/inverse_square_law.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/2020/04/hyperphysics/light_and_vision/inverse_square_law.md b/2020/04/hyperphysics/light_and_vision/inverse_square_law.md new file mode 100644 index 0000000..f571c0f --- /dev/null +++ b/2020/04/hyperphysics/light_and_vision/inverse_square_law.md @@ -0,0 +1,6 @@ + +; see power_solid_angle + +(eq E + (/ I (exp r 2))) + |