djam Posted February 27, 2011 Share Posted February 27, 2011 I am doing an experiment to calculate focal lenght of a lens. From a graph of 1/d0 against /di How will I find the focal lenght The points which i have do not touch the x or y axis so I am not sure if I need to extend my line. Also If i know the uncertainty in the distance to the object(do) and distance to the image (di) how can i find the uncertainty in 1/d object and 1/d image Thankyou Link to comment Share on other sites More sharing options...
swansont Posted February 27, 2011 Share Posted February 27, 2011 What is the relationship between d0, d1 and f, or their inverses? Link to comment Share on other sites More sharing options...
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