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Prove that f=R/2?

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Prove that f=R/2?

Posted by R K 7 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Kaushik Suthar 7 years, 1 month ago

Length of PF line segment is half of the PC line segment where PF = f and PC=R. P= POLE F= FOCAL POINT C=CENTRE OF CURVATURE OF MIRROR/LENS

Farhan Saiyed 7 years, 1 month ago

Take concave lens

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