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Calculate the focal length of a convex lens which produces a virtual image at a distance of 50 cm - YouTube
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Focal Length Formula & Examples | How to Calculate Focal Length - Video & Lesson Transcript | Study.com
![Use the following ray diagram, Fig. to calculate focal length of lens L_2. . | 11 | RAY OPTICS |... - YouTube Use the following ray diagram, Fig. to calculate focal length of lens L_2. . | 11 | RAY OPTICS |... - YouTube](https://i.ytimg.com/vi/jP2q28b4EWE/maxresdefault.jpg)
Use the following ray diagram, Fig. to calculate focal length of lens L_2. . | 11 | RAY OPTICS |... - YouTube
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