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    Exam 27: Optical Instruments
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    The Focal Length of the Objective Lens of a Telescope
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The Focal Length of the Objective Lens of a Telescope

Question 37

Question 37

Multiple Choice

The focal length of the objective lens of a telescope is 75.0 cm,and the eyepiece has a focal length of 6.00 cm.What is the magnification of this telescope?


A) 0.0800
B) 0.645
C) 450
D) 12.5
E) 200

Correct Answer:

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