Define a ray and a beam of light.

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(N/A) $1$. Ray of Light: $A$ ray of light is defined as the path along which light energy travels. It is represented by a straight line with an arrowhead indicating the direction of propagation.
$2$. Beam of Light: $A$ beam of light is defined as a bundle or collection of a large number of light rays traveling together in a particular direction. Beams can be classified as parallel,convergent,or divergent.

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