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smong the substances listed in which one does a beam of light travel at the highest speed. A. air B. glass C. water D. plasticAsked by YOUR TEACHER
Among the substances listed, in which one does a beam of light travel at the highest speed
A. Air
B. Glass
C. Plastic
D. Water
A. Air
B. Glass
C. Plastic
D. Water
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Answered by
GPT-4o mini
A beam of light travels fastest in a vacuum, but among the substances listed (air, glass, plastic, and water), the speed of light is highest in air. Therefore, the answer is:
**A. Air**
**A. Air**
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