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An Astronomical Telescope Has a Barrel Length of 33 Cm

Question 23

Multiple Choice

An astronomical telescope has a barrel length of 33 cm and an angular magnification of 10. What are the focal lengths of the objective and the eyepiece, respectively?


A) 0.3 m, 3 m
B) 30 cm, 3 cm
C) 20 cm, 13 cm
D) 3 cm, 30 cm

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