An object of height 2.5 cm is placed at a distance of 15 cm from the optical centre ‘O' of a convex lens of focal length 10 cm. Draw a ray diagram to find the position and size of the image formed. Mark optical centre ‘O', principal focus F and height of the image on the diagram.
CBSE OUTSIDE DELHI - SET 2 2016
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The ray diagram is as follows:

The size of the image formed is 5 cm beyond 2F.
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