Which of the following is true about the speed of light?
A. It depends on the wavelength
B....
Which of the following is true about the speed of light?
A. It depends on the wavelength
B. In a vacuum, it is a constant value that does not depend on the observer.
C. It is slowest in a vacuum unless an observer is moving towards the source.
D. In a vacuum, it varies depending on the color of the light.
Answers: 2
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