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drek231 [11]
3 years ago
15

If the angular magnification of an astronomical telescope is 42 and the diameter of the objective is 72 mm, what is the minimum

diameter of the eyepiece required to collect all the light entering the objective from a distant point source located on the telescope axis?
Physics
1 answer:
andriy [413]3 years ago
4 0

Answer:

Minimum diameter=1.714

Explanation:

Angular magnification=fob/fey=42

fob=40*fey

Hence minimum diameter=diameter of objective/angular magnification

minimum diameter=72/42=1.714

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