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Newton believed that light is a particle because: It travels in straight lines. It can travel through a vacuum. - ppt download
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How Does Light Travel? - Universe Today
Can light travel through a vacuum? - YouTube
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Why can light travel through a vacuum whereas sound cannot? - Quora
How does light travel through space? - Quora
Can light travel in vacuum ? If yes, with what speed ?
How does light travel?
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Can light travel in vacuum ? If yes, with what speed ? - YouTube
