Question

An object placed on a metre scale at 8cm mark was focused on a white screen placed at 92cm mark using a converging lens placed on the scale at 50cm mark.

1. find the focal length of the converging lens.

2. find the position of the image formed if the object is shifted towards the lens at a position of 29

3. state the nature of the image formed if the object is further shifted towards the lens

Answer 1

This is the required answer

(1)f=21cm
)2) v=infinity (1/0)
3)real,erect,magnified
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