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Title: Compared to the speed of visible light in a vacuum (or in space), its speed in water or in glass ... Post by: symbo on Mar 16, 2017 Compared to the speed of visible light in a vacuum (or in space), its speed in water or in glass is
A) greater. B) less. C) exactly the same because the speed of light cannot vary. D) much greater. Title: Re: Compared to the speed of visible light in a vacuum (or in space), its speed in water or in glass ... Post by: papachulo on Mar 16, 2017 Content hidden
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