Question

A manse face is at a distance p =10 cm in front a concave spherical shaving mirror if the image is erect (upright ) and 1.5 times largen than the object what is the redius of curvature of the mirror​

Answer 1

Answer:

F = -60

Explanation:

Answer

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Focal length ,F = ?

object distance is = -20cm

Magnification ,1.5=−20−V

V=30cm

using the mirror formula 

V1+u1=F1

301−201=F1

602−3=F1=F=−60cm

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