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The microscope; an introduction to microscopic methods and to histology. Microscopes; 1899. MICROSCOPE AND ACCESSORIES. CH- I-. Figs. 1-9, showing the Principal Optic Axis and the Optical Center of various forms
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Section 12.2 Pages Lens Terminology The principal axis is an imaginary line drawn through the optical centre perpendicular to both surfaces. - ppt download
![A divergent lens has a focal length of 30 cm. At what distance should an object of height 5 cm from the optical centre of the lens be placed so that its A divergent lens has a focal length of 30 cm. At what distance should an object of height 5 cm from the optical centre of the lens be placed so that its](https://dwes9vv9u0550.cloudfront.net/images/12586577/71460ce2-7be1-44e5-a55d-ba08f8ab3973.jpg)
A divergent lens has a focal length of 30 cm. At what distance should an object of height 5 cm from the optical centre of the lens be placed so that its
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