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What is the increase in density of a medium due to wave travel?

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Physics, 23.06.2019 11:40, jasminer257

Answer fast for brainliest! what type of image is formed by a refracting telescope? an enlarged, upside-down virtual image a reduced-size, right-side-up virtual image a reduced-size, right-side-up real image an enlarged, upside-down real image