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An object is placed at a distance of 12 cm in front of a concave mirror. It forms a real image four times larger than the object. Calculate the distance of

the image from the mirror.


 Image height, object height, image distance, and object distance are related as: It is given that: h` = 4h u = −12 cm v = 12 × 4 = 48 cm Therefore, the image distance is 48 cm behind the mirror.
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