an object placed on a meter scale at 8cm mark was focused on a white screen placed at 92cm mark, using converging lens placed on the scale at 50cm mark.
a) find the focal length of the converging lens.
b) find the position of the image formed if the object is shifted towards the lens at a position of 29cm
c) state the nature of the image forrmed if the object is further shifted towards the lens.
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b) at infinity as focal length on scale will be 29 and we know if object is on focus then the image formed at infinity
C) virtual, erect
C) virtual, erect
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