Real images are formed in a concave mirror or a converging lens when the object distance is greater than F.
Real images are images that can be formed on a screen.
For mirrors, real images are formed only by concave mirrors. Similarly, for lenses, converging lenses alone can produce real images.
The nature of image formed is related to the focal length, F.
Real images are formed in a concave mirror when the object distance is greater than F.
Real images are formed in a converging lens when the object distance is greater than F.
Therefore, real images are formed in a concave mirror or a converging lens when the object distance is greater than F.
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