An Astronomical Telescope Has a Magnifying Power of 200 $\times$ When Operated with a 3

question 42

Multiple Choice

An astronomical telescope has a magnifying power of 200 $\times$ when operated with a 3.50 cm eyepiece.What is the focal length of the objective of this telescope?

• A) 204 cm
• B) 196 cm
• C) 700 cm
• D) 57.0 cm
• E) 30.0 cm

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