A biconvex lens of refractive index 1.5 has a focal length of 10cm. Calculate the radius of curvature. Find the position and nature of the image of an object held at a
![Focal length, explained by RP Photonics Encyclopedia; focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius Focal length, explained by RP Photonics Encyclopedia; 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, explained by RP Photonics Encyclopedia; focal distance, dioptric power, curved mirror, lens equation, microscope, photographic objective, focus, beam radius
![A biconvex lens has focal length `(2)/(3)` times the radius of curvature of either surface. - YouTube A biconvex lens has focal length `(2)/(3)` times the radius of curvature of either surface. - YouTube](https://i.ytimg.com/vi/-bOEAi0mrIM/maxresdefault.jpg)