Speed of light in medium:
Distance, speed, and time relation:
t = d/c = (1.0)/(3.0 × 108 m/s) = 3.33 × 10-9 s(1ns/10-9s) = 3.33 ns
a. How long (in ns) does it take light to travel 1.0 m in vacuum?
b. What distance does light travel in water, glass, cubiczirconia during the time it travels in 1.0 m vacuum?
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