The Focal Length of the Objective Lens of a Telescope

question 23

Multiple Choice

The focal length of the objective lens of a telescope is 0.20 m and the eyepiece has a focal length of 1.6 m.What is the length of this telescope?

• A)8.0 m
• B)1.4 m
• C)0.90 m
• D)1.6 m
• E)1.8 m

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