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Question
A dentist's mirror has a radius of curvature of 3 cm. How far must it be placed from a small dental cavity to give a virtual image of the cavity that is magnified five times?
Solution
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RELATED QUESTIONS
The image formed by a concave mirror is virtual, erect and magnified. The position of object is:
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(b) less than 1 or equal to 1
(c) more than 1 or equal to 1
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(a) within f
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(c) beyond 2f
(d) at infinity
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(b) between 10 cm and 20 cm
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A convex mirror has a focal length of 18 cm. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror?
