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...
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 ...
... for red than blue. Thus red is on the outside and blue is on the inside of the
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 ...
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.
The primary rainbow, with red on the outside and violet inside, results from one
total internal reflection. Sometimes a dimmer secondary rainbow with reversed ...
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.
Jun 23, 2015 ... The sky inside the primary bow is brighter than that outside. ... It takes the form of
a multicolored arc, with red on the outer edge of the arc and ...
A rainbow is an arc of light, with an angular radius of $42^\circ$ ... The colours of
a rainbow vary smoothly from red on the outside of the arc to violet on the inside ...
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.