Question: Referring to Fig. 25.25, show that the angular magnification of a refracting telescope focused for the final image at infinity is m = fo/fe. (Because

Referring to Fig. 25.25, show that the angular magnification of a refracting telescope focused for the final image at infinity is m = €“ fo/fe. (Because telescopes are designed for viewing distant objects, the angular size of an object viewed with the unaided eye is the angular size of the object at its actual location rather than at the near point, as is true for a microscope.)

Objactive Eyepiece Fo Fe y , Fe Object and final image at infinity Intermediate mage

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