Task id13184

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Task id13184
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Task id13184

There is a point source of light on the axis of a convex spherical mirror of radius R. The distance between the mirror and the source is R/2. Determine the illumination E of the area located at a distance R from the mirror if the illumination of the area at a distance 2R is equal to Eo. The mirror is considered to be perfectly reflective.

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