A giant refracting telescope at an observatory has an objective len...

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A giant refracting telescope at an observatory has an objective lens of focal length \( 15 \mathrm{~m} \). If an eyepiece of
\( \mathrm{P} \)
focal length \( 1 \mathrm{~cm} \) is used, what is the angular
W
magnification of the telescope?
(1) 850
(2) -1500
(3) -1250
(4) -680
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