Physics

Physics, 20.10.2019 00:30, laurenppylant

How does light travel?
a. light only travels in a vacuum and travels faster when the sound source is moving.
b. light only travels in a medium and light travels faster when a sound source is stationary.
c. light can travel in a vacuum and the speed varies depending on whether the source is moving or stationary.
d. light can travel in the air or a vacuum and the speed is constant whether the light source is stationary or moving.

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