Question
Question: Two concave mirror each of focal length f. A point source is placed at a point midway between two mi...
Two concave mirror each of focal length f. A point source is placed at a point midway between two mirror. The minimum value of d for which only one image of s is formed –
A
f
B
2f
C
3f
D
4f
Answer
2f
Explanation
Solution
It is only possible if object and image coincide.