A Binary Star System in the Constellation Orion Has an Angular

question 17

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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