Question

what is light speed??​

Answer 1

Answer:

3 × 10^8 m/s is the speed of light

Answer 2

Answer:

The speed of light is different in different mediums. Theses are some common mediums with the speed of light.

Air == 3 × 10^8 m/s

Water == 2.25 × 10^8 m/s

Glass == 2 × 10^8 m/s

#BAL

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