difference between a
ray and a beam of light
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Light travel in a straight line. A straight line which shows the direction of movement of light is called ray of light.
A bundle of rays of light is called beam of light. A beam of light in which rays propagate parallel to each other is called parallel beam of light.
A bundle of rays of light is called beam of light. A beam of light in which rays propagate parallel to each other is called parallel beam of light.
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