A rainbow is a meteorological phenomenon that is caused by reflection,
refraction and ... In a primary rainbow, the arc shows red on the outer part and
violet on the ... In a double rainbow, a secon...
... for red than blue. Thus red is on the outside and blue is on the inside of the
An observer on the ground observes a half-circle of color with red being the color
perceived on the outside or top of the bow. Those who are fortunate enough to ...
Rainbows result from refraction of sunlight in falling water droplets plus ... If the
drops are large, 1 millimeter or more in diameter, red, green, and violet are bright
... than the sky just outside the secondary rainbow, but this is a smaller difference.
Ideal conditions for rainbows are sunlight and water droplets, usually as rain, but
... primary rainbow (lower) run from violet on the inside to red on the outside.
Mar 15, 2011 ... A single, or primary, rainbow has red on the outside or top of the bow and blue on
the inside. Usually the radius of the arc is equal to about ...
The primary rainbow, with red on the outside and violet inside, results from one
total internal reflection. Sometimes a dimmer secondary rainbow with reversed ...
Apr 18, 2014 ... The colors of the second rainbow are inverted, with blue on the outside and red
moved to the inside. The second bow appears dimmer or ...
Referring to the figure, we see that the rainbow ray for red light makes an angle of
42 degrees ... Notice the contrast between the sky inside the arc and outside it.
There are seven visible colors of the rainbow: red, orange, yellow, green, blue,
indigo ... which results in a second arc being visible outside of the primary arc.