Physics
For a concave mirror, when the object is at the centre of curvature, the place and nature of the image formed is :
- at focus, real, inverted
- at focus, virtual, inverted
- at centre of curvature, real, inverted, diminished
- at centre of curvature, real, same size as that of the object
Reflection
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Answer
at centre of curvature, real, same size as that of the object
Reason — For a concave mirror, when the object is at the centre of curvature, the image is also at the centre of curvature. It is real and same size as that of the object.
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Related Questions
For a concave mirror, when the object is at focus, the size of the image formed is:
- magnified
- highly magnified
- diminished
- of the same size
For a concave mirror, when the object is at infinity, the nature of the image formed at focus is
- virtual, inverted
- virtual, diminished to a point
- real, enlarged, inverted
- real, inverted, diminished to a point
The image formed by a convex mirror is:
- erect and diminished
- erect and enlarged
- inverted and diminished
- inverted and enlarged
A ray either incident from the focus (or converging at the focus), after reflection from a spherical mirror :
- becomes perpendicular to the principal axis
- becomes parallel to the principal axis
- becomes normal to the focus
- passes through the centre of curvature