What is the angle of telescopic image

Reference no: EM13261007

A small telescope has a concave mirror with a 4.00-m radius of curvature for its objective. Its eyepiece is a 4.25-cm focal length lens.

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

(b) What is the angle subtended by a 25,000-km diameter sunspot? The average Earth-Sun distance is 1.496 1011 m.

rad

Reference no: EM13261007

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