Question

we are given a concave lens of focal length 15cm. draw a ray diagram to show that the nature,size and position of the image formed when the object is kept at the distance of 55cm​

Answer 1

I have not solved the question in the attachment but I will give you a hint to use lens formula with sign convention and for ray diagram pass the light rays parallel to principal axis and through the optical centre for the position of image.

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