Describe the meaning of the focal length of a spherical mirror.
the focal length is the distance between the mirror and the focal point.
the focal length is the distance between the focal point and the object.
the focal length is the distance between the focal point and the image.
the focal length is the distance between the mirror and the center of curvature.
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Describe the meaning of the focal length of a spherical mirror.
the focal length is the distan...
the focal length is the distan...
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