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
flagGhana
5%
0%
0%
83%
18
flagIndia
10%
9%
6%
72%
540
flagAustralia
9%
9%
11%
69%
53
flagthe United States
16%
6%
9%
66%
672
flagMalaysia
12%
4%
12%
66%
24
flagUnknown
19%
6%
9%
64%
31
flagRepublic of Ireland
11%
11%
16%
61%
18
flagCanada
21%
7%
7%
60%
41
flagAustria
17%
3%
18%
58%
81
flagthe United Kingdom
18%
7%
16%
57%
216
flagSwitzerland
12%
7%
23%
55%
56
flagPakistan
9%
13%
20%
55%
43
flagthe Netherlands
15%
21%
9%
53%
32
flagLebanon
33%
0%
13%
53%
15
flagGermany
22%
10%
13%
51%
515
flagthe Philippines
32%
4%
8%
51%
62
flagPoland
17%
10%
22%
48%
18382
flagGreece
24%
6%
24%
44%
29
flagSouth Africa
40%
7%
11%
40%
27
flagNigeria
26%
21%
10%
36%
19