![Calculate the focal length of a convex lens which produces a virtual image at a distance of 50 cm - YouTube Calculate the focal length of a convex lens which produces a virtual image at a distance of 50 cm - YouTube](https://i.ytimg.com/vi/0GXwBHln8OE/maxresdefault.jpg)
Calculate the focal length of a convex lens which produces a virtual image at a distance of 50 cm - YouTube
![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
![Focal Length Formula & Examples | How to Calculate Focal Length - Video & Lesson Transcript | Study.com Focal Length Formula & Examples | How to Calculate Focal Length - Video & Lesson Transcript | Study.com](https://study.com/cimages/multimages/16/camerafocus.jpg)
Focal Length Formula & Examples | How to Calculate Focal Length - Video & Lesson Transcript | Study.com
![Displacement Method for finding Focal Length of Convex Lens Class 12Optics @Kamaldheeriya Maths easy - YouTube Displacement Method for finding Focal Length of Convex Lens Class 12Optics @Kamaldheeriya Maths easy - YouTube](https://i.ytimg.com/vi/QvTNJ-oRsV4/maxresdefault.jpg)
Displacement Method for finding Focal Length of Convex Lens Class 12Optics @Kamaldheeriya Maths easy - YouTube
![A convex lens produced an inverted image magnified three times of an object placed at a distance of 15cm from it. Calculate focal length of the lens. A convex lens produced an inverted image magnified three times of an object placed at a distance of 15cm from it. Calculate focal length of the lens.](https://haygot.s3.amazonaws.com/questions/1667431_1270214_ans_cb7ef8dcaf324c47af47056ceec59cff.jpg)
A convex lens produced an inverted image magnified three times of an object placed at a distance of 15cm from it. Calculate focal length of the lens.
![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)