Answer:
1.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.
2.The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye.
3.The speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium.
4.Air temperature is a measure of how hot or cold the air is. It is the most commonly measured weather parameter.
5.Color or colour is the visual perceptual property corresponding in humans to the categories called red, blue, yellow, etc. Color derives from the spectrum of light interacting in the eye with the spectral sensitivities of the light receptors.
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