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NDA 2025 · PYQ · Optics / Spherical Mirrors · easy

An object is placed between infinity and the pole (P) of a convex mirror. The position of the image is

  1. A.between pole (P) and the focus (F), behind the mirror✓ Correct
  2. B.between the focus (F) and infinity, behind the mirror
  3. C.between the pole (P) and the infinity, in front of the mirror
  4. D.at the focus (F), behind the mirror

Explanation

For a convex mirror, regardless of the position of the object in front of it (between pole and infinity), the image is always formed behind the mirror, between the pole (P) and the focus (F). The image is always virtual, erect, and diminished. As the object moves from infinity towards the pole, the image moves from the focus towards the pole, but always remains between P and F behind the mirror.
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