If you are told an image is virtual and you know it was made by a single optic (

Question

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

____The image distance is positive.
____ The image distance is negative.
____ The image is inverted.
____The image is upright.
____ The image height is positive.
____ The image height is negative.
____ The magnification of the image is positive.
____ The magnification of the image is negative.
____ It was made by a converging optic.
____ It was made by a diverging optic.
____ The focal length of the optic is positive.
____ The focal length of the optic is negative.

Explanation / Answer

The only thing that can be said out of all of those possibilities is that the image distance is negative.

The rest depends on the placement of the object and type of optic.

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