By what factor is angular size of an observed object reduced

Reference no: EM13502782

A refracting telescope has an objective lens with a focal length of 2.30 m and an eyepiece with a focal length of 3.50 cm. If you look through this telescope the wrong way, that is with your eye placed at the objective lens, by what factor is the angular size of an observed object reduced?

Reference no: EM13502782

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