Light Travels Faster In A Vacuum at Traveling

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Light Travels Faster In A Vacuum. This means they can behave as both particles and waves. In a vacuum it travels 1.0003 times faster than in air.

PPT Lecture 13 Waves Ch. 33 PowerPoint
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The speed of light is designated by the letter c and all the colors in the visible spectrum travel (in a vacuum) this same speed. First off, i don't understand why anything would travel slower in a vacuum. Light travels fastest in a vacuum.

PPT Lecture 13 Waves Ch. 33 PowerPoint

Light, in a vacuum, travels slower if the light source is moving. As pmb_phy mentioned and i agree, light is slower through water. Why can light travel in a vacuum? Click to see full answer.