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when a light strikes the concave mirror on its centre of curvature it gets reflected along same path. so, can we say that as light strikes that portion on mirror, that portion of mirror behaves like a plane mirror ,is it true? in my school exams i have written this answer ,so will i get some marks, it is of one mark only!!

when a light strikes the concave mirror on its centre of curvature it gets reflected along same path.    


 


so, can we say that as light strikes that portion on mirror, that portion of mirror  behaves like a plane mirror ,is it true?


in my school exams i have written this answer ,so will i get some marks, it is of one mark only!! 

Grade:12

1 Answers

MURALI KRISHNA YADAV
19 Points
8 years ago

no......your guess is wrong...you have to mind that the portion where light ray strikes is not at all a portion..its just a point..i.e.centre of curvature...The reason for it to behave as such(getting reflected along the same direction) is that it strikes the surface in normal direction i.e making an angle 90 degrees.

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