Question

The nature of the image formed by a concave lens is always:

• A. Virtual and erect
• B. Enlarged
• C. Real and inverted
• D. Diminished

Answer 1

Answer: (A), (D)

The correct options are
A Virtual and erect
D Diminished

There are two cases in which an object can be placed in front of a concave lens:

(i) When the object is at infinity:
Nature of the image: Virtual and erect.
Size of the image: Highly diminished.

(ii) When the object is at any position between infinity and optical centre:
Nature of the image: Virtual and erect.
Size of the image: Diminished.