If you are told an image has been made by a single optic (either a lens or a mir

Question

If you are told an image has been made by a single optic (either a lens or a mirror) that is converging, which of the following must be true? Choose all that apply.

The image is real. The image is virtual.
The image has a positive image distance.
The image has a negative image distance.
The image is inverted. The image is upright.
The optic has a positive focal length.
The optic has a negative focal length.
If the optic is a lens, it is convex.
If the optic is a lens, it is concave.
If the optic is a mirror, it is convex.
If the optic is a mirror, it is concave

Explanation / Answer

The image is real. The image is virtual. (depends on where u place the object..both posiible) The image has a positive image distance. The image has a negative image distance. (depends on where u place the object ..both possible) The image is inverted(lens). The image is upright. (mirror) The optic has a positive focal length. (mirror) The optic has a negative focal length. (lens) If the optic is a lens, it is convex. If the optic is a mirror, it is convex.

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