Multiple Choice
A small refracting "spyglass" telescope has an objective lens with a focal length of about 30 inches. The world's largest refracting telescope at Yerkes Observatory has an objective lens with a focal length of 63.5 feet. If they both use the same eyepiece, how much larger is the image with Yerkes than with the spyglass?
A) about twice
B) about 16 times
C) about 25 times
D) about 625 times
Correct Answer:

Verified
Correct Answer:
Verified
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