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CBSE Class 6 Answered

3. Differentiate between a ray and a beam.
Asked by prasannasivaa | 08 Jan, 2016, 01:45: PM
answered-by-expert Expert Answer

Ray of light : A light wave propagating from one point to another along a straight line path, passing through each point on the line joining the two points, is termed as a ray of light.

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. 
Answered by Yashvanti Jain | 10 Jan, 2016, 12:03: PM

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