At what distance in front of a concave mirror must an object be placed so that the image and object are the same size?
A)one focal length
B)half the focal length
C)twice the focal length
D)less than half the focal length
E)more than twice the focal length

Question

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The Answer of At what distance in front of a concave mirror must an object be placed so that the image and object are the same size?
A)one focal length
B)half the focal length
C)twice the focal length
D)less than half the focal length
E)more than twice the focal length

At What Distance in Front of a Concave Mirror Must