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The white light spectrum refers to the range of colors that are visible to the human eye when white light is dispersed. White light is actually a combination of different colors of light, each with a specific wavelength. When white light passes through a prism, it is separated into its component colors, creating a spectrum of colors ranging from red to violet. This spectrum is known as the visible light spectrum.
The visible light spectrum consists of light with wavelengths ranging from approximately 380 nanometers (nm) to 700 nm. Each color in the spectrum corresponds to a specific range of wavelengths, with red light having the longest wavelength (around 700 nm) and violet light having the shortest wavelength (around 380 nm).
The colors of the visible light spectrum blend seamlessly into each other, creating a continuous range of colors. When all the colors are combined, they form white light. This phenomenon can be observed in natural phenomena such as rainbows, where sunlight is dispersed by water droplets in the atmosphere, creating a spectrum of colors.
In addition to the visible light spectrum, there are other forms of electromagnetic radiation that are not visible to the human eye, such as infrared and ultraviolet light. These forms of radiation have wavelengths that are longer or shorter than those of visible light, respectively.
White light spectrum is fundamental to our understanding of light and color. It plays a crucial role in various fields, including optics, physics, and biology. Understanding the properties of white light and its spectrum is essential for many applications, such as in the design of lighting systems, photography, and spectroscopy.