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Two rays are incident on a spherical mir...

Two rays are incident on a spherical mirror of radius R = 5 cm parallel to its optical axis at distances `h_1 = 0.5 cm` and `h_2 = 3 cm` Determine the distance `Deltax` between the points at which these rays intersect the optical axis after being reflected at the mirror.

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`(5)/(8) = 0.625 cm`
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