The eyepiece of a Galilean telescope is a diverging lens. The focal points Fo and Fe coincide.

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The eyepiece of a Galilean telescope is a diverging lens. The focal points Fo and F′e coincide. In one such telescope, the lenses are a distance d = 32 cm apart and the focal length of the objective is 36 cm. A rhinoceros is viewed from a large distance. 

(a) What is the focal length of the eyepiece? 

(b) At what distance from the eyepiece is the final image? 

(c) Is the final image formed by the eyepiece real or virtual? Upright or inverted? 

(d) What is the angular magnification?

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