The radius of curvature of each type of biconcave lens, made of glass of refractive index 1.5 is 30cm . Calculate the focal length of lens in the airs?
![Geometrical correspondence between the radii of curvature of a lens and... | Download Scientific Diagram Geometrical correspondence between the radii of curvature of a lens and... | Download Scientific Diagram](https://www.researchgate.net/profile/Roque-Hidalgo-Alvarez/publication/231105010/figure/fig4/AS:300610239909890@1448682474063/Geometrical-correspondence-between-the-radii-of-curvature-of-a-lens-and-a-liquid-fluid_Q320.jpg)
Geometrical correspondence between the radii of curvature of a lens and... | Download Scientific Diagram
![SOLVED: Lens maker'equation If the radius of curvature of the two faces of Jens are T and Tz and if the refractive index of the material the lens is made of is SOLVED: Lens maker'equation If the radius of curvature of the two faces of Jens are T and Tz and if the refractive index of the material the lens is made of is](https://cdn.numerade.com/ask_images/8fadd112b49b4fb9bbc39f9ba9e08c48.jpg)