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-   -   What is the speed of light? (https://www.askmehelpdesk.com/showthread.php?t=487451)

  • Jul 11, 2010, 09:58 PM
    lilian3fena
    What is the speed of light?
    ...
  • Jul 11, 2010, 10:03 PM
    Clough
    Hi, lilian3fena!

    Please click on the following link.

    LINK

    Thanks!
  • Jul 11, 2010, 10:03 PM
    martinizing2

    186,000 mps
  • Jul 11, 2010, 10:23 PM
    Clough
    Now, see? That's what we get for posting within the same minute, martinizing2! LOL! :)
  • Sep 30, 2010, 01:18 AM
    tanishgoel
    The speed of light is 300000km/s in vacuum or air. But in different medium it is reduced .the amount of reduction is calculated by dividing the speed of light by refractive index of the material.so, speed of light is maximum in vacuum because it has refractive index of "one"

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