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Explain why the statement "the speed of light is 300 million m/s" is not alway correct.

User Shinto C V
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Answer:

It is because the speed of light depends on the medium it is in.

Step-by-step explanation:

In vaccum the velocity if light decreases by 2/3rd Or approx., of what it was. this means that there is some variability in the light speed and it's not always 300 million m/s.

User Mjswensen
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