What travels the speed of light underwater?

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Eduardo Wolf asked a question: What travels the speed of light underwater?
Asked By: Eduardo Wolf
Date created: Sun, Sep 19, 2021 2:13 AM
Date updated: Sun, Jun 26, 2022 1:29 PM

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Top best answers to the question «What travels the speed of light underwater»

Originally Answered: How fast does light travel in water? Light travels at 299,792.458 kilometers per second in a vacuum, which has a refractive index of 1.0, but it slows down to 225,000 kilometers per second in water (refractive index of 1.33).

As a vacuum is devoid of such particles, light can attain its maximum velocity, which, as far as we know, cannot be surpassed. However, light travels at about 0.75c (75% light speed) through water.

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