- Convex lenses can form both real and virtual, magnified, diminished, or same-sized images depending on the object position. - Concave lenses always form virtual, erect, and diminished images for real objects. - The word "always" in statement D makes it universally true or false. Considering virtual objects, a concave lens does not always produce smaller images.
Which one of the following statements regarding lenses is not correct ?
Asked in UPSC NDA 2 2019 · Topic: Optics (Thin and Thick Lenses, lens combinations)
Show answer
Answer: D. A concave lens always produces images smal‐ ler than the size of the object.
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