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| Summary |
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| Dispersion |
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| The process of splitting of white light into its constituent colors. |
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| Spectrum |
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| The band of colors obtained due to the dispersion of white light. |
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| Monochromatic Light |
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| Light of single color or single wavelength. |
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| Polychromatic Light |
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| Light consists of radiations of different wavelengths. |
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| Color |
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| Is the visual sensation which depends upon the wavelength or frequency of light that enters the eye. |
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| Primary Colors |
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| Red, green and blue. |
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| Secondary Colors |
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| Magenta, yellow and cyan. |
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| Complementary Colors |
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| They are a pair of colors which on mixing produce white color. |
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| For e.g., |
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| Color deficiency or color blindness is a defect of the eye due to which a person is not able to distinguish between certain colors due to the malfunctioning or absence of a particular cone. |
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