Focal length = f = 20 cm (+ 20cm)
Object distance = u = 60 cm (- 60cm)
Image distance = v = ?
![](https://www.sarthaks.com/?qa=blob&qa_blobid=18187951469663895849)
Here, (-) indicates inverted images.
m = 1/2 < 1 indicates diminished image. Image forms between F1 and 2F1.
Characteristics of the image :
1. real
2. inverted
3. diminished.