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An object is placed in front
of a concave spherical mirror as shown below. The three rays \( \mathbf{1}, \mathbf{2} \), and \( \mathbf{3} \), leave the top of the object and, after reflection, converge at a point on the top of the image. Ray \( \mathbf{1} \) is parallel to the principal axis, ray \( \mathbf{2} \) passes through \( F \), and ray \( \mathbf{3} \) passes through \( C \).
Which ray(s) will reflect back on itself (themselves)?
(A) 1 only
(B) 3 only
(C) 2 only
(D) both 1 and 2
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