CBSENEETClass 10
Which mirror can give an erect and enlarged image of an object?
Answer
A concave mirror gives an erect and enlarged image when the object is placed between the pole and the focus of the mirror.
The working
Answer
Only a concave mirror can form an erect and magnified image of an object. A convex mirror always gives a diminished image.
Condition
This happens when the object is placed between the pole (P) and the principal focus (F) of the concave mirror.
Nature of image
The image formed is virtual, erect, enlarged, and located behind the mirror.
Application
For this reason a concave mirror is used as a shaving mirror and by dentists to see enlarged images of teeth.
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