Question

An image fromed by a concave cannot be obtained on a screen​

Answer 1

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1.An image formed by a concave lens cannot be obtained on a screen.

2. Concave mirrors can form both real and virtual images.

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Answer 2

Answer:

An image formed by a concave lens cannot be obtained on a screen . image formed by a convex mirror is always diminished and erect . a real image is always obtained on a screen . concave mirrors can form both real and virtual images