Notifications
Clear all
Light Reflection and Refraction
1
Posts
2
Users
0
Likes
561
Views
0
10/08/2021 1:13 pm
Topic starter
An object is 100 mm in front of a concave mirror which produces an upright image (erect image). The radius of curvature of the mirror is :
(a) less than 100 mm
(b) between 100 mm and 200 mm
(c) exactly 200 mm
(d) more than 200 mm
1 Answer
0
10/08/2021 1:15 pm
Since the image formed is upright, the object lies within the focus of the concave mirror.
So, f > 100 mm
We know R = 2f
So, R > 200 mm
i.e. Radius of curvature is more than 200 mm.