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O Levels Physics (5054)•5054/11/M/J/18
Question 24 from 5054/11/M/J/18

Explanation

Diverging lens forms virtual, upright, diminished image

Steps:

  • Rays diverge after lens, appearing to originate from same side as object, indicating diverging lens.
  • Parallel ray from object top seems to pass through focal point on object side; central ray goes straight through.
  • Apparent intersection point on object side is below object top, forming virtual image.
  • Image height is shorter than object and oriented upright relative to object.

Why D is correct:

  • Diverging lenses always produce virtual images that are erect (same way up) and reduced in size, per lens formula where image distance is negative and |v| < |u|.

Why the others are wrong:

  • A: Inverted and larger images occur with converging lenses for real images when object is between F and 2F.
  • B: Upright and larger images form with converging lenses when object is inside focal point (virtual magnification).
  • C: Inverted and smaller images result from converging lenses when object is beyond 2F (real, diminished).

Final answer: D

Topic: Thin lenses

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