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An object is placed 60 cm in front of a mirror and the image is upright and the size of the object. ...

aeropa84

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An object is placed 60 cm in front of a mirror and the image is upright and the size of the object. ...

An object is placed 60 cm in front of a mirror and the image is upright and ¼ the size of the object. What is the focal length of the mirror?

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−12 cm

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−20 cm

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−45 cm

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−75 cm

▸

some positive value not given

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College Physics

Edition: 5^th

Author: Giambattista

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aeropa84 Author

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Correct

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Smart ... Thanks!

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