Question

Which one of the following statements
regarding lenses is not correct ?
(a) A convex lens produces both real and
virtual images.
(b) A concave lens produces both real and
virtual images.
(c) A convex lens can produce images equal,
greater and smaller than the size of the
object.
(d) A concave lens always produces images
smaller than the size of the object.​

Answer 1

Answer:

a concave lens always produces images smaller than the size of the object is wrong

Answer 2

Answer:

(b) A concave lens produces both real and virtual images is not correct regarding lenses.

Explanation:

• Convex lenses can form either real or virtual images.
• A concave lens always produces a virtual image. It can never form a real image.
• A convex lens can produce images equal, greater and smaller than the size of the object.
• A concave lens always produces images smaller than the size of the object.​