The focal length of concave mirror is 2.5cm. In order to use this concave mirror as dentist's mirror, what should be the distance of tooth from mirror. PLZ Answer FAST..
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the dentist requires the magnified image of a tooth on the concave mirror . The characteristics of the image formed would be
* it would be virtual
*enlarged
*erect.
this would happen only when the object lies infront of the focus. That is tooth should be kept less than 2.5cm away from the mirror
* it would be virtual
*enlarged
*erect.
this would happen only when the object lies infront of the focus. That is tooth should be kept less than 2.5cm away from the mirror
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