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JEE PHYSICS MCQ: RAY OPTICS
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A dentist has a small mirror of focal length . He views the cavity in the tooth of a patient by holding the mirror at a distance of from the cavity. The magnification is
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Correct option: A
2
Option A (2) is correct because the magnification is calculated using the formula m = f/(f-u) for a concave mirror, with f = -16 mm and u = -8 mm.
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