Two thin converging lenses of focal length 15 cm and 30 cm are held in contact with each other. What is the focal length of the combination? - Quora
![Two converging lenses, A with a focal length of +10.0 cm and B with a focal length of +12.0 cm, are placed 40 cm apart. An object 4.0 cm high is placed Two converging lenses, A with a focal length of +10.0 cm and B with a focal length of +12.0 cm, are placed 40 cm apart. An object 4.0 cm high is placed](https://homework.study.com/cimages/multimages/16/8654325591191304230986745.jpg)
Two converging lenses, A with a focal length of +10.0 cm and B with a focal length of +12.0 cm, are placed 40 cm apart. An object 4.0 cm high is placed
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Microscope Magnification Calculator • Μικροσκοπία • Μετατροπέας Μονάδων σε Απευθείας Σύνδεση (online)
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