Why magnification is taken negative for real images and positive for virtual images?
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In the case of a real image, the height of the object carries a positive sign while the height of the image carries a negative one. Hence the magnification is negative. In case of a virtual image, the height of the image, as well as the height of the object, carries a positive sign
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In the case of a real image, the height of the object carries a positive sign while the height of the image carries a negative one. Hence the magnification is negative. In case of a virtual image, the height of the image, as well as the height of the object, carries a positive sign.
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