An 8-cm object is placed in front of a mirror which
An 8-cm object is placed in front of a mirror which produces an inverted image that has a height of 16c m. When the object is moved 10 cm closer to the lens, the image is upright with a height of 16cm. What is the focal length of this lens?
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an 8-cm object is placed in front of a mirror which produces an inverted image that has a height of 16c m when the
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