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Best sound bar for tv Secrets

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Since the refractive index of glass varies with wavelength, each property of the lens that will depend on its refractive index also differs with wavelength, such as the focal duration, the image distance, as well as the picture magnification. The modify of picture length with wavelength is known as chromatic https://elliottbdcbz.bloguerosa.com/29213423/the-smart-trick-of-best-portable-speaker-that-no-one-is-discussing

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