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Phosphorescent coating on the surface of the paper.
The snow under the black paper will melt faster as the paper absorbs the heat while the white paper reflects it.
The light is absorbed by the black ink and reflected by the white paper surrounding the ink. That is why you can see the ink clearly.
If you put a piece of white paper under a green light all that will happen is the paper will turn green. The only time this will vary is if you have special ink that will show up under certain colored light.
Do a experiment on how black and white paper have different warmth under a light.
Do a experiment on how black and white paper have different warmth under a light.
they both look white
The can covered with black paper will heat up fastest. The colour black, has a property of absorbing maximum radiant heat while white has the property of reflecting the heat.
Anything perfectly black appears black because it absorbs all the colors of the visible spectrum instead of reflecting them like white paper, so the light energy is absorbed and transfered into heat energy (the paper warms up very slightly).
white reflects light and black absorbs it white-cooler black-hotter
a black sheet of paper
a black sheet of paper