A rainbow is an arc of light separated into the different colours that make up the Sun's white light. white light. White light is split into these colours by drops of mist or rain. Light travels more slowly through water than air. So when light passes from air into a water droplet, it slows down. read more
A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing in the sky. It takes the form of a multicoloured circular arc. Rainbows caused by sunlight always appear in the section of sky directly opposite the sun. read more
Rainbow definition is - an arc or circle that exhibits in concentric bands the colors of the spectrum and that is formed opposite the sun by the refraction and reflection of the sun's rays in raindrops, spray, or mist. How to use rainbow in a sentence. read more
The rainbow is formed when water droplets in the air cause the diffraction of sunlight. Note The colors of the rainbow are violet, indigo, blue, green, yellow, orange, and red. read more
Compare primary rainbow, secondary rainbow. a similar bow of colors, especially one appearing in the spray of a waterfall or fountain. any brightly multicolored arrangement or display. read more