Mixing light adds up the lights if you take two

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Mixing light adds up the lights: If you take two colored lights and mix them, the sum is lighter (more light) and the color is at least slightly less saturated (paler and closer to colorless or white light). The difference is that mixing paint is subtractive and mixing light is additive,that is why mixing paint leads to different results. Problem 3
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A. For each colored background, which color of text is perceived with the highest contrast? Which color of text yields the second highest contrast? Background Color Highest Contrast Second Highest Contrast White Black Blue Black White Red Blue White Yellow Green Black Blue Yellow Black Blue Red Black Blue B. For each colored background, which color of text is perceived with the lowest contrast? Which color of text yields the second lowest contrast? Background Color Lowest Contrast Second Lowest Contrast White White Yellow Black Black Blue Blue Blue Black Green Green Yellow Yellow Yellow White Red Red Yellow
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C. Which of the six colored fonts seems to yield the best contrast with the remaining five background colors? Black color Problem 4
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Problem 5 1. Occlusion. We can tell that boat is closer to land than boat 2 because is in front of it. 2. Relative size. Since the boat looks very small, we can tell it is far away in the ocean 3. Familiar size. Since they are close in the picture, we can tell how far they are from other objects. 4. Relative size. The trees look very small in the picture, so we can know they are far away.
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1. Relative size. Since the car looks so small in the picture, we can tell it is far away. 2. Linear perspective. We perceived the line as parallel even if it seems to converge. 3. Familiar size. Unlike picture 1, we can tell car 1 is closer due to the size of the object (car). 4. Shadows. We can tell the white guy is walking first by comparing his shadow to the other guys’ shadows.
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