Beams of light parallel to the axis of the parabolic mirror shown in Figure 15.44 strike the
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Beams of light parallel to the axis of the parabolic mirror shown in Figure 15.44 strike the mirror and are reflected. Find the distance from the vertex to the point where the beams concentrate.
Figure 15.44
Transcribed Image Text:
Sun's rays -4 ft- F 6 ft
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