Choose the one alternative that best completes the statement or answers the question. -A person is designing a telescope with a magnification of 10. If the telescope is limited to a

Choose the one alternative that best completes the statement or answers the question.
-A person is designing a telescope with a magnification of 10. If the telescope is limited to a length of 0.20 m, what is the approximate focal length of the objective?
A) 17 cm
B) 19 cm
C) 16 cm
D) 18 cm

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