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What color will paper appear to be under a red light?
Paper will appear to be black under a red light because red light has a long wavelength and is less likely to reflect off the white surface of paper.
If you place two cans of water under a lamp for 10 minutes one covered with white paper and the other with black paper which one will heat up fastest?
The can covered with black paper will heat up faster than the one covered with white paper. This is because black paper absorbs more light and heat energy compared to white paper, which reflects light.
What happens as white light hits black ink on a piece of white paper?
The black ink absorbs most of the white light, reflecting very little back to our eyes. This absorption is what makes the ink appear black. The white paper reflects all colors of the white light, creating the contrast between the black ink and the paper.
If pieces of black paper and white paper are laid on snow in sunshine what is likely to happen?
The black paper will absorb more sunlight and heat up, causing the snow underneath to melt faster than the white paper. This will create a contrast where the snow under the black paper melts more quickly than under the white paper, showcasing the different heat absorption properties of the two colors.
What happens if you put a white piece of paper under a green light?
The white paper will appear to be a pale green color under the green light due to color mixing. This is because the white paper reflects all colors of light, but only green light is present to be reflected back to our eyes.
