Problem 8: The objective lens of the refracting telescope at the Lick Observatory in California has a focal length of 57 ft. a. What is the refractive power of this lens? b. What focal length (mm) eyepiece would give a magnification of 1000X for this telescope?
Problem 8: The objective lens of the refracting telescope at the Lick Observatory in California has a focal length of 57 ft. a. What is the refractive power of this lens? b. What focal length (mm) eyepiece would give a magnification of 1000X for this telescope?
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Transcribed Image Text:Problem 8: The objective lens of the refracting telescope at the Lick Observatory in
California has a focal length of 57 ft.
a. What is the refractive power of this lens?
b. What focal length (mm) eyepiece would give a magnification of 1000X for this
telescope?
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