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Which of the following is true about the speed of light? O it is a constant when the light is traveling in a vacuum. O It speeds up or slows down depending on the observer. O It is slowest in a vacuum.
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Which of the following is true about the speed of light?

O it is a constant when the light is traveling in a vacuum.
O It speeds up or slows down depending on the observer.
O It is slowest in a vacuum.
O lt varies depending on the color of the light.

User Krishna Varma
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Answer:

It is a constant when the light is traveling in a vacuum.

Step-by-step explanation:

User Jnortey
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