Relation between Focal Length and Radius of Curvature
In a concave ...
Question
In a concave mirror, when the object is at infinity, its image forms at
A
the focus
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B
the Pole
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C
the centre of curvature
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D
infinity
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Solution
The correct option is A the focus When an object is at an infinitely large distance from the Pole of a concave mirror, its image will be formed at the principal focus (F). The nature of the image formed is real, highly diminished, and inverted.