Question: When we turn on a light in our home or a flashlight/car headlights outside, it seems that the light travels instantaneously, but does it? Conducting

When we turn on a light in our home or a flashlight/car headlights outside, it seems that the light travels instantaneously, but does it?


Conducting a reliable internet search, find the speed at which photons travel in the vacuum of space. 


Note: All photons from the EM spectrum travel at the same speed in the vacuum of space. The speed of light, c = Source:  How long (in minutes) does it take for photons, emitted by the Sun, to reach Earth? 


Why do photons appear to travel instantaneously when we turn on lights?

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Despite our perception light does not travel instantaneously Even though it seems like light flashes ... View full answer

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