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
8%
0%
0%
75%
12
flagIndia
10%
7%
6%
74%
457
flagIsrael
9%
0%
18%
72%
11
flagSingapore
18%
9%
0%
72%
11
flagAustralia
10%
10%
10%
69%
49
flagthe United States
16%
6%
10%
65%
612
flagMalaysia
13%
4%
13%
65%
23
flagUnknown
19%
6%
9%
64%
31
flagCanada
23%
6%
3%
63%
30
flagthe United Kingdom
20%
8%
13%
57%
183
flagAustria
11%
5%
22%
57%
35
flagPakistan
6%
15%
28%
50%
32
flagSwitzerland
6%
12%
25%
50%
16
flagGermany
20%
11%
14%
49%
192
flagthe Philippines
33%
5%
7%
49%
53
flagthe Netherlands
18%
22%
11%
48%
27
flagGreece
20%
8%
24%
48%
25
flagPoland
18%
10%
22%
47%
17096
flagSouth Africa
31%
5%
15%
47%
19
flagNigeria
40%
10%
20%
20%
10