Q.

The image formed is ____ (erect/inverted) when the object is placed 80 cm in front of a concave mirror of focal length 40 cm .


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Detailed Solution

The image formed is inverted when the object is placed 80 cm in front of a concave mirror of focal length 40 cm .
The center of  curvature of a mirror is located on the principal axis, at a distance twice the focal length from the pole. The object is kept at the center of curvature of the mirror. Hence the image formed is real, inverted and of the same size of the object.
 
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The image formed is ____ (erect/inverted) when the object is placed 80 cm in front of a concave mirror of focal length 40 cm .