Question

explain density of medium ​

Answer 1

Answer:

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The interstellar medium is composed of multiple phases distinguished by whether matter is ionic, atomic, or molecular, and the temperature.

Answer 2

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In the case of an electromagnetic wave, the speed of the wave depends upon the optical density of that material. The optical density of a medium is not the same as its physical density. The physical density of a material refers to the mass/volume ratio.

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