Question: A small telescope has a concave mirror with a 2.00 m radius of curvature for its objective. Its eyepiece is a 4.00 cm focal length

A small telescope has a concave mirror with a 2.00 m radius of curvature for its objective. Its eyepiece is a 4.00 cm focal length lens.

(a) What is the telescope’s angular magnification? 

(b) What angle is subtended by a 25,000 km diameter sunspot? 

(c) What is the angle of its telescopic image?

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