Light travels as waves. These are transverse waves, like the ripples in a tank of water. The direction of vibration in the waves is at 90° to the direction that the light travels. Light travels instraightlines, so if we have to represent a ray of light in a drawing, always use a ruler.
Answers & Comments
LIGHT TRAVEL
How does Light travel?
THE CORRECT ANSWER IS:
in a straight line
~WHY
Light travels as waves. These are transverse waves, like the ripples in a tank of water. The direction of vibration in the waves is at 90° to the direction that the light travels. Light travels in straight lines, so if we have to represent a ray of light in a drawing, always use a ruler.
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