The rainbow is violet on the inside of its arc. What color is it on the outside?

blue
green
yellow
red
Visible light spans from red to violet. It is easy to remember, since wavelengths just outside the visible range are called infrared and ultraviolet.
Hà Linh Chi
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Very interesting!
reach: rather globalcolorslightnatureopticsphysicsrainbow

Answers by country

blue
green
yellow
red
answers
flagIndia
11%
6%
5%
75%
388
flagGhana
9%
0%
0%
72%
11
flagCanada
17%
7%
3%
67%
28
flagthe United States
16%
6%
10%
64%
560
flagUnknown
19%
6%
9%
64%
31
flagMalaysia
13%
4%
13%
63%
22
flagAustralia
12%
12%
12%
61%
31
flagthe United Kingdom
21%
9%
10%
59%
152
flagGermany
21%
8%
10%
53%
90
flagPakistan
7%
10%
28%
53%
28
flagPoland
18%
10%
22%
47%
16257
flagthe Philippines
35%
5%
7%
47%
51
flagthe Netherlands
21%
17%
13%
47%
23
flagAustria
18%
18%
9%
45%
11
flagSouth Africa
33%
5%
16%
44%
18
flagGreece
25%
12%
18%
43%
16