A vehicle with headlights separated by 1.95 m approaches an observer holding an infrared detector sensitive to radiation of wavelength 885 nm. What aperture diameter is required in the detector if the two headlights are to be resolved at a distance of 26.0 km?

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A vehicle with headlights separated
by 1.95 m approaches an observer holding
an infrared detector sensitive to radiation
of wavelength 885 nm. What aperture
diameter is required in the detector if the
two headlights are to be resolved at a
distance of 26.0 km?
Transcribed Image Text:A vehicle with headlights separated by 1.95 m approaches an observer holding an infrared detector sensitive to radiation of wavelength 885 nm. What aperture diameter is required in the detector if the two headlights are to be resolved at a distance of 26.0 km?
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