![Focal length, focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius Focal length, focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius](https://www.rp-photonics.com/img/focal_length.png)
Focal length, focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius
![What is the focal length of a double convex lens for which the radius of curvature of each surface is 60 cm (n=1.5)?A. 50 cmB. 60 cmC. 90 cmD. 30 cm What is the focal length of a double convex lens for which the radius of curvature of each surface is 60 cm (n=1.5)?A. 50 cmB. 60 cmC. 90 cmD. 30 cm](https://www.vedantu.com/question-sets/c612b172-1638-4932-aed3-6e18cb8db1583222633553042593248.png)
What is the focal length of a double convex lens for which the radius of curvature of each surface is 60 cm (n=1.5)?A. 50 cmB. 60 cmC. 90 cmD. 30 cm
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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
![To determine the focal length of a convex lens by obtaining an image of a distant object. – srishtypse2 To determine the focal length of a convex lens by obtaining an image of a distant object. – srishtypse2](https://srishtypse2.files.wordpress.com/2016/04/image003.png?w=640)
To determine the focal length of a convex lens by obtaining an image of a distant object. – srishtypse2
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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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