Hii!!!
Define the focus(or focal point) and the focal length of a convex mirror.
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FOCUS:the point at which rays or waves meet after reflection or refraction, or the point from which diverging rays or waves appear to proceed.
FOCAL LENGTH:the distance between the centre of a lens or curved mirror and its focus
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Answer:
Focal length :-
focal length is the distance between convex mirror and focus of the mirror .
focal point (focus):-
a point where parallel rays of light meet .
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