The color of an object that the human eye senses depends on the color of light that shines on the object and the color of light that is
reflected or absorbed by the object. if white light shines on an object and the object appears blue, this means that

The color of an object that the human eye senses depends on the color of light that shines on the object and the color of light that is  reflected or absorbed by the object. If white light shines on an object and the object appears blue, this means that the object absorbs all light that strikes it.

Explanation:

All objects appears to us of different colors as they absorb some colors and transmits others. What we perceive as colors are reflected wavelength. When no light is reflected the object seems to be black. Basically the color of the object depends upon two factors like the light source and the wavelength of the light which is being reflected by the object. When the light wave having single frequency strikes on object, many things happens, may be after absorption of light the energy could have been converted into heat.

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