Wikipedia:Reference desk/Archives/Mathematics/2023 September 10

Mathematics desk
< September 9 << Aug | September | Oct >> September 11 >
Welcome to the Wikipedia Mathematics Reference Desk Archives
The page you are currently viewing is a transcluded archive page. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.


September 10

edit

Candelas per square meter

edit

If you painted a camera sensor with matte white paint (diffuse reflector 100% albedo) and pointed the camera up at blue sky with a telephoto lens on what is the ratio of sky surface brightness to paint brightness? Sagittarian Milky Way (talk) 22:35, 10 September 2023 (UTC)[reply]

Maybe this should go on the Science desk? --RDBury (talk) 09:59, 11 September 2023 (UTC)[reply]