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3 July, 19:09

How far does light travel in 1 nano second?

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Answers (2)
  1. 3 July, 19:46
    0
    Speed of light can be approximated to 3*10⁸ m/s.

    That is, light travels 3*10⁸ m in 1 seconds

    Let it travels x meters in 1 nano seconds (10⁻⁹)

    Therefore,

    3*10⁸=1

    x = 10⁻⁹

    x = 3*10⁸*10⁻⁹ = 0.3 meters.
  2. 3 July, 20:05
    0
    speed of light is around one foot per nanosecond. One foot is about 12 inches. Light travels approximately 12 inches in one nanosecond.
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