A convex mirror of focal length 20cm gives the image when the object is at 20cm.Find the image distance and
magnification.

1 thought on “A convex mirror of focal length 20cm gives the image when the object is at 20cm.Find the image distance and<br /> magnification.”

1. Answer:

   2×(l+b)

   Explanation:

   so 2×(20+20)

   =2×40

   =80cm

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