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Broken TV?

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

 

Puzzle ID:#28998
Fun:*** (2.58)
Difficulty:*** (2.15)
Category:Science
Submitted By:Question_MarkAsx*****

 

 

 



Xavier and Rex each own a television. They watched the exact same programme at the exact same time. However what looked like white on Xavier's television looked yellow on Rex's. In this case, what color would cyan, on Xavier's, look like on Rex's, and why?


Answer

Cyan would look like green. This is because pixels are made up of a red light, a green light and a blue light. All three of these colors are required to make white. The blue lights in Rex's television don't work, so the red light mixed with the green light, without the blue light, makes yellow. Similarly, you need blue and green to make cyan. Since there is no blue, what would be cyan looks green.
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