Q4 of 42 Page 295

The image formed by a convex mirror is only one-third of the size of the object. If the focal length of the mirror is 12 cm, the image formed will be

Given,
focal length of mirror(f) = 12 cm
⇒u = -3v
Using Mirror formula,



As v is positive, so image is formed at 8 cm behind the mirror.

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