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?
![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)
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
![The radius of curvature of the convex surface of a Plano-convex lens is 10cm. What is the focal length of the Plano-convex lens? (Here $\\mu =1.5$)A. $10cm$B. $20cm$C. $15cm$D. $5cm$ The radius of curvature of the convex surface of a Plano-convex lens is 10cm. What is the focal length of the Plano-convex lens? (Here $\\mu =1.5$)A. $10cm$B. $20cm$C. $15cm$D. $5cm$](https://www.vedantu.com/question-sets/1b46e273-ef75-49bd-9ddd-46b193df14961540997652942818355.png)
The radius of curvature of the convex surface of a Plano-convex lens is 10cm. What is the focal length of the Plano-convex lens? (Here $\\mu =1.5$)A. $10cm$B. $20cm$C. $15cm$D. $5cm$
![MathType on Twitter: "The focal length for a positive converging lens in air is the distance from the lens to the point where the incident light beam is focused. It can be MathType on Twitter: "The focal length for a positive converging lens in air is the distance from the lens to the point where the incident light beam is focused. It can be](https://pbs.twimg.com/media/E5L_rhPWEAQWxZp.jpg:large)