what is focal point??????????
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Answer:
In geometrical optics, a focus, also called an image point, is the point where light rays originating from a point on the object converge. Although the focus is conceptually a point, physically the focus has a spatial extent, called the blur circle.
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Explanation:
The point Of which rays Or waves meet after reflection Or refraction, the Or the point from which diverging rays Or waves Appear to proceed.
'The lens that picks Up the light from the focal point is called the Eyepiece lens'.
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