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Results tagged with visible-light
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user 149511
Questions related to the perception and measurement of light (primarily in the visible range), its mathematical description, the reproduction of colors by different means, color combinations, etc. Please use the tag [electromagnetic-radiation] if you want to refer to the general form of light.
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Accepted
Appearance of underwater light source to an observer
Edit
This question is badly written and (if they gave the correct answer as 4.66m as you put in your question) then not physically accurate at all.
The question asks...
A lightsource of diameter 10cm …
- 260