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    phys_08's Avatar
    phys_08 Posts: 22, Reputation: 2
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    #1

    Aug 5, 2009, 11:13 AM
    Physics Waves
    Modern lasers can create a pulse of light that lasts only a few femtoseconds. (1 fs = 1 x 10-15 s).
    What is the length of a pulse of light that lasts 6.0 fs?
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    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Aug 5, 2009, 11:26 AM

    A light ray travels basically 300 000 000 m in one second. That makes (300 000 000/1E-15) in one fs. Then, multiply by 6 to get the distance.

    Hope it helped! :)
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