Solved A red opaque object appears red when it is

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Whenever I open the UV editor, the model has this red and blue

Physics Tutorial: Color Subtraction

Objects can absorb some colours and reflect or transmit others

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Physics Tutorial: Light Absorption, Reflection, and Transmission

SOLVED: Explanation: When a particular wavelength of light is absorbed, the complementary color is transmitted and gives color to the object. For example, the beautiful pink color of the beetroot arises due