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Q: An object is placed on the principal axis of a concave lens, at a point between infinity and its optical centre O. Its image formed is ______.
  • A. real and diminished
  • B. virtual and diminished
  • C. virtual and enlarged
  • D. real and enlarged
Correct Answer: Option B - In a concave lens, when an object is placed between infinity and the optical centre (0) an image is formed between the focus and optical centre, and the image is virtual and diminished.
B. In a concave lens, when an object is placed between infinity and the optical centre (0) an image is formed between the focus and optical centre, and the image is virtual and diminished.

Explanations:

In a concave lens, when an object is placed between infinity and the optical centre (0) an image is formed between the focus and optical centre, and the image is virtual and diminished.