Mirror — Image Track as Object MovesMediumQuestion 20198
Question
As a real object moves from infinity toward the pole of a concave mirror, the image moves from:
- APole to infinity
- BFocus to pole
- CInfinity through focus toward the mirror (behind the mirror)Correct
- DFocus to infinity and then to focus again
Correct answer
Infinity through focus toward the mirror (behind the mirror)
Explanation
As object moves from ∞ → C → F → P: image moves F → C → ∞ (image jumps behind mirror) → behind mirror moving toward P as object moves from F to P.