By define the following: (a) A ray of light (b) A parallel beam of light (c) A convergent beam of light (d) A divergent beam of light.
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Explanation:
(b) : A parallel beam of light is light that is parallel to each other when coming from the source of light.
(c) When light rays from different points constantly keep coming closer together and finally meet at a point, then the light beam is known as a convergent beam of light.
(d)light rays from a point source of light travels in all directions, moving away with Such a beam of light is called a diverging beam of light.
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