How is a rainbow formed?

Answer

A rainbow it formed when the sun's rays are bent and reflected off of rain. It's arch is actually just a part of a complete circle but our eyes only see the arch because the light from the sun is refracted by droplets at approximately a 42 degree angle. This angle is so large that the rainbow itself appears at the middle point and opposite of the sun.
Q&A Related to "How is a rainbow formed?"
When sunlight passes through glass or water, it bends slightly, or refracts, and breaks up into the separate colours that make up white. A rainbow forms when sunlight is refracted
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Select the text in your document that should appear in rainbow colors. On the Home tab, in the Font group, click the down arrow next to the font color icon and click "Gradient,
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When light passes from air into water (or glass), or water into air...
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A rainbow forms when mist in the air refracts the sunlight producing a spectrum. That's amazing!
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1 Additional Answer
Ask.com Answer for: how is a rainbow formed
Rainbows form when sunlight is refracted into separate colors by water droplets. We usually see rainbows as arcs due to each individual color refracting at different angles.
Though a rainbow spans a continuous spectrum of colors, the human eye usually perceives bands of seven distinct colors: red, orange, yellow, green, blue, indigo and violet.
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