Telescope's angular magnification:
f0 = R/2 = 2.4/2 = 1.2 m
A small telescope has a concave mirror with a 2.4 m radius of curvature for its objective. Its eyepiece is a 3.2 cm focal length lens.
Part (a) What is the telescope's angular magnification?
Part (b) What angle (in degrees) is subtended by a 25,000 km diameter sunspot? Assume the sun is 1.50×108 km away.
Part (c) what is the image angular size (in degrees) in this telescope?
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