An object O is positioned close to a thin converging lens. The diagram shows three light rays from the object travelling through the lens. Which row states the image that is produced and indicates the location of a principal focus (focal point) of the lens?
- Aimage formed: real; position of principal focus: R
- Bimage formed: real; position of principal focus: Q
- Cimage formed: virtual; position of principal focus: P
- Dimage formed: virtual; position of principal focus: S