A lens of focal length 65 mm is used as a magnifier. The object being viewed is

Question

A lens of focal length 65 mm is used as a magnifier. The object being viewed is 3.5 mm long, and is positioned at the focal point of the lens. The user of the magnifier has a near point at 25 cm. The angular magnification of the magnifier is closest to:
3.8 4.2 5.0 3.5 4.6 A lens of focal length 65 mm is used as a magnifier. The object being viewed is 3.5 mm long, and is positioned at the focal point of the lens. The user of the magnifier has a near point at 25 cm. The angular magnification of the magnifier is closest to:
3.8 4.2 5.0 3.5 4.6
3.8 4.2 5.0 3.5 4.6 3.8 4.2 5.0 3.5 4.6

Explanation / Answer

4.2

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