MCQ
An object is moving towards a converging lens on its axis. The image is also found to be moving towards the lens. Then, the object distance $‘u’$ must satify
- A$2f < u < 4f$
- B$f < u < 2f$
- C$u > 4f$
- ✓$u < f$
✓
Answer
Correct option: D.
$u < f$
d
When object moves towards $F$ to $O$ virtual erect and magnified image moves from $\infty$ to $O .$
When object moves towards $F$ to $O$ virtual erect and magnified image moves from $\infty$ to $O .$
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