Physics, 23.07.2019 23:00, lefthandeddolan

An object is placed 200 cm in front of a concave mirror. the image appears in the exact same location, 200 cm in front of the mirror (on top of the object itself). what is the focal length of the mirror? a. 50 cm b. 100 cm c. 200 cm d. 400 cm

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An object is placed 200 cm in front of a concave mirror. the image appears in the exact same locatio...