Cal Is Viewing the Moon with His New Telescope,using a 10-Mm

question 34

Multiple Choice

Cal is viewing the Moon with his new telescope,using a 10-mm focal length eyepiece.For greater detail,he wishes to double the magnification of his telescope.An eyepiece having which one of the following characteristics will accomplish this for him?

• A)40 diopters
• B)8 mm
• C)12 mm
• D)200 diopters
• E)5 diopters

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