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MCQIntermediateObservational Astronomy & Telescopes
USAAAO — 2015 First Round
Question 5
A telescope with focal length of 20 mm and aperture of 10 mm is connected to your smartphone, which has a CCD that measures 4.0mm by 4.0mm. The CCD is 1024 by 1024 pixels. Which is closest to the field of view of the telescope?
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