A Refracting Astronomical Telescope Has Objective and Eyepiece Lenses of Focal

question 65

Multiple Choice

A refracting astronomical telescope has objective and eyepiece lenses of focal lengths 30.0 cm and 0.40 cm,respectively.What is the angular magnification of this instrument?

• A)25
• B)49
• C)75
• D)143
• E)​30.4

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Definitions:

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