Question: Esperanza uses a 35-mm camera with a standard lens of focal length 50.0 mm to take a photo of her son Carlos, who is 1.2

Esperanza uses a 35-mm camera with a standard lens of focal length 50.0 mm to take a photo of her son Carlos, who is 1.2 m tall and standing 3.0 m away.
(a) What must be the distance between the lens and the film to get a properly focused picture?
(b) What is the magnification of the image?
(c) What is the height of the image of Carlos on the film?

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