Beam of Light

Beam of Light

A beam of light is a collection of these rays. There are mainly three types of beams.

(A) Parallel beam of light :

     A search light and the headlight           of a vehicle emit a parallel beam 

     of light. The source of light at a 

    very large distance like sun

    effectively gives a parallel beam.

(B) Divergent beam of light :

     The rays going out from a point 

     source generally form a  

     divergent beam.

(C) Convergent beam of light :

      A beam of light that is going to  

      meet (or converge) at a point

      is known as a convergent beam.  

     A parallel beam of light after

       passing through a convex lens   

      becomes a convergent beam. 

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