How many nanoseconds does it take light to travel a distance of 1.70km in vacuum?

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Maral · Answer 1 · 2017-02-05T07:31:11+0000

Distance = 1.7 km = 1700 m
Speed of light in a vacuum = 3 x 10⁸ m/s
Time = distance / speed
= 1700 / 3 x 10⁸
= 5.67 x 10⁻⁶ s
= 5667 nanoseconds.