試題詳解

10. An object is placed at a distance 5.0 cm to the left of a concave mirror with a curvature radius 5.0 cm. Determine the location and magnification of the image formed by this image system.
(A) The image is formed 2.5 cm to the right of the mirror and it has a magnification of −1/2.
(B) The image is formed 5.0 cm to the right of the mirror and it has a magnification of −1.
(C) The image is formed 2.5 cm to the left of the mirror and it has a magnification of 1.
(D) The image is formed 5.0 cm to the left of the mirror and it has a magnification of −1.
(E) The image is formed 1.25 cm to the left of the mirror and it has a magnification of −1/4.