A Telescope Has an Angular Magnification of 250 When Used

question 47

Multiple Choice

A telescope has an angular magnification of 250 when used with a 20 mm eyepiece. What is the focal length of the objective lens?

• A) 2.5 m
• B) 5.0 cm
• C) 5.0 m
• D) 5000 cm
• E) 25 m

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