A Binary Star System in the Constellation Orion Has an Angular

question 16

Multiple Choice

A binary star system in the constellation Orion has an angular separation between the two stars of 1.2 × 10−5 radians. If λ = 5 × 10−7 m, what is the smallest-aperture (diameter) telescope that may be used to resolve the two stars?

• A)10 cm
• B)5 cm
• C)50 cm
• D)1 m
• E)4 cm

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