Question

what are the rules of concave mirrors

Answer 1

hii friend The simpler method relies on two rules of reflection for concave mirrors. They are: Any incident ray traveling parallel to the principal axis on the way to the mirror will pass through the focal point upon reflection.

Answer 2

hyy mate here is ur answer

the use of the law of reflection to determined the reflected ray is not a easy task ... the simpler method relies on two rules reflection of concave mirror.
they are:- any incident ray traveling parallel to a principal axis on the way to the mirror will pass through the focal length upon reflection

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