Differentiate between a ray and and a beam .
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A ray is a path of a light wave represented by a line with an arrow. The arrow indicates the direction of in which light is travelling. Beam of light: Bundle of rays of light are called beam of light. They are represented as parallel rays of light travelling in the same direction.
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The direction or path along which, light energy travels in a medium is called a ray of light., while, a group of light rays is called a beam of light. 2. A ray of light is represented by a straight line with an arrow marked on it., while, a beam of light may be parallel, convergent, or divergent.
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