How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

Rainbow colors are red, orange, yellow, green, blue, indigo, and violet. It is easy to remember them by using the name “Roy G. Biv.” A rainbow is a spectrum of visible light. Each color has a ...

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Each colour within the visible light spectrum has its own narrow band of wavelength and frequency. An object appears to be black if it absorbs all the wavelengths of visible light. For example ...