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it shines as color blue
Everything but red.
The white light will shine through it and turn into red light.
White light separates into seven colours
When white light shines onto a violet object, the violet part of white light reflects off of the object, causing you to see violet. White light it ROYGBIV, which is the colours of the rainbow (red, orange, yellow, green, blue, indigo, and violet). So white light IS the combination of ALL of these colours.
it shines as color blue
Everything but red.
The white light will shine through it and turn into red light.
White light separates into seven colours
The light from the sun, which is made up of equal parts of red, green and blue (even though it may not look it), will be reflected off of the white surface, staying white as the white surface reflects equal parts of red, green and blue.
White light contains all the wavelengths of the visible spectrum at equal intensity. The different colors of light, except violet, are absorbed when white light shines on an opaque violet object. The violet color is reflected.
When white light shines onto a violet object, the violet part of white light reflects off of the object, causing you to see violet. White light it ROYGBIV, which is the colours of the rainbow (red, orange, yellow, green, blue, indigo, and violet). So white light IS the combination of ALL of these colours.
it reflects violet and absorbs the other colors
The apple skin absorbs all of the wavelengths in the light EXCEPT the green ones.
Emulsions can appear cloudy or white when light shines through it.
Red: absorbedOrange: absorbedYellow: absorbedGreen: absorbedBlue: absorbedIndigo: absorbedViolet: reflected
A "white surface" is one that reflects all colors of light. That's why it looks white when a white light shines on it, and that's why you call it "white". If only red light shines on it, then it looks red.