State the two convenient rays that are chosen to construct the image by a spherical mirror for a given object? Explain your answer with the help of suitable ray diagrams
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1.a ray passing through the center of curvature : a ray of light passing through the center of curvature of a concave mirror or a ray directed in the direction of center of curvature of a convex mirror is reflected back along the same path after reflection.
2. a ray parallel to the principle axis : a ray of light parallel to the principle axis after reflection passes through the principle focus in the case of concave mirror or appears to diverge from it in case of convex mirror
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