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A dentist uses a concave mirror of radius of curvature 3 cm, and places an object at a distance of x cm from the mirror to get a magnification of +5. What is the value of x. |
| Answer» A dentist uses a concave mirror of radius of curvature 3 cm, and places an object at a distance of x cm from the mirror to get a magnification of +5. What is the value of x. | |