The near point of a naked eye is 30 cm when an object is, Ask an Expert

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The near point of a naked eye is 30 cm. When an object is placed at the near point and viewed by the naked eye, it has an angular size of 0.062 rad. A magnifying glass has a focal length of 17 cm, and is held next to the eye. The enlarged image that is seen is located 57 cm from the magnifying glass. Decide the angular size of the image.

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