Physics
Physics, 20.07.2019 07:30, hoboethan

Which statement about the speed of light is true? a. the speed of light is faster for em waves traveling through a medium. b. no object or em wave can move faster than the speed of light in a vacuum. c. the speed of light changes depending on the motion of the source. d. energy, frequency, and wavelength all affect the speed of light.

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