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Q & A: Speed of light or Velocity of light?

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Most recent answer: 09/30/2012
Why we call speed of light?can we say that "velocity of light" in place of speed of light?
- Syed hamid raza zaidi (age 16)
Velocity is a vector, it has a direction as well as a magnitude.   Speed is a scalar quantity and is a magnitude irrespective of direction.  

Lee H

(published on 09/30/2012)

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