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Whydoes the letter appear to beraised when viewed throughglass slab placedplaced overover the document |
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Answer» Answer: because of refraction Explanation: The letters appear RAISED because of a phenomenon known as refraction. When light travels from one medium to another, it bends (either towards or away from the NORMAL). This happens because different MEDIA have different densities and thus, the SPEED of light is different in each one of them |
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