The property of light that explains the forma | vedclass

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(B) When light passes through a thick lens, it behaves similarly to a prism. Different wavelengths (colors) of light travel at different speeds within

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Dispersion

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(B) When light passes through a thick lens, it behaves similarly to a prism. Different wavelengths (colors) of light travel at different speeds within the lens material, leading to different refractive indices for each color. This phenomenon, where white light splits into its constituent colors due to the variation of refractive index with wavelength, is known as dispersion. Consequently, the lens focuses different colors at slightly different points, resulting in colored fringes or blurred images, a defect known as chromatic aberration. Therefore, the formation of colored images due to thick lenses is explained by the property of dispersion.

The property of light that explains the formation of coloured images due to thick lenses is

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