The Yerkes Refracting Telescope Has a 1-M Diameter Objective Lens

question 60

Multiple Choice

The Yerkes refracting telescope has a 1-m diameter objective lens of focal length 20 m and an eyepiece of focal length 3.1 cm.What is the magnification of the planet Mars as seen through this telescope?

• A)160
• B)320
• C)650
• D)1 000

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