Focal length of a concave mirror is 20 cm then its radius of curvature
Answers
Answered by
5
If focal length of a spherical mirror is 20 cm, then its radius of curvature is equal to. The name and radius of curvature of a spherical mirror whose focal length is +2 cm is. To determine focal length of a concave mirror a student obtains the image of a well lit distant object on a screen.
Answered by
3
2f=c
Therefore 2*20=40cm
Similar questions