Question

8. The focal length of a concave mirror is 15cm
Answer the following.
1. What will be the characteristics of image if the
object is placed at 20cm
2. What is the maximom object distance to get an
image inside mirror
3. Where does an object need to be placed to get an
image at infinite distance.
u. Where does an object need to be placed to get m=1​

Answer 1

Explanation:

1.real, inverted,enlarged

2.15cm

3.15cm

4.30cm,center of curvature