Question

27. The magnification of an image formed by a lens is -1. If the distance of the image
from the optical centre of the lens is 25 cm, where is the object placed? Find the
nature and focal length of the lens. If the object is displaced 15 cm towards the
optical centre of the lens, where would the image be formed? Draw a ray diagram
to justify your answer.
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Answer 1

Answer:

object placed? Find the

nature and focal length of the lens. If the object is displaced 15 cm towards the

optical centre of the lens, where would the image be formed? Draw a ray diagram

to justify your answer.