MCQ
The minimum distance between the object and its real image for concave mirror is
  • A
    $f$
  • B
    $2 f$
  • C
    $4 f$
  • Zero

Answer

Correct option: D.
Zero
When object is kept at centre of curvature. It's real image is also formed at centre of curvature.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free