A Simple Astronomical Telescope In Normal Adjustment Has An Objective Of Focal Length 100cm And An Eye Piece Of Focal Length 5cm What Is The Angular Magnification

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To determine the angular magnification of a telescope, we use the formula:

Angular Magnification = (Focal Length of the Objective) / (Focal Length of the Eyepiece)

In this case, the focal length of the objective is 100cm and the focal length of the eyepiece is 5cm. Plugging these values into the formula, we get:

Angular Magnification = 100cm / 5cm = 20

Therefore, the angular magnification of the telescope is 20.