Question: A reflecting telescope is built with a 20-cm-diameter mirror having a 1.00 m focal length. It is used with a 10 eyepiece. What are (a)

A reflecting telescope is built with a 20-cm-diameter mirror having a 1.00 m focal length. It is used with a 10× eyepiece. What are

(a) The magnificatio

(b) The f-number of the telescope?

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