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What do we mean by an optically dense material?

April 26, 2017dense material Mathematics mean optically Physics

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What do we mean by an optically dense material?

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An optically dense material will slow light waves down a lot. Air is not optically dense, but water is. So is plexiglas. If you stick a straw into a glass of water it will look bent, since water is optically denser.

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optically dense would mean to me someting that is opaque or translucent, either refracting light and diffusing it or not letting light pass thorugh at all.