Question

what is the lens making formula and magnifaction
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Answer 1

Answer:

The thin lens equation quickly provides the relation between di, do, and the focal length f. It can be derived from a geometric analysis of ray tracing for thin lenses and is given by 1do+1di=1f 1 d o + 1 d i = 1 f . The magnification m of an image is the ratio between the image and object height (hi/ho).

Answer 2

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