A small piece of wire bent into an L shape, with upright and horizontal portions of equal lengths, is placed with the horizontal

A small piece of wire bent into an L shape, with upright and horizontal portions of equal lengths, is placed with the horizontal portion along the axis of the concave mirror whose radius of curvature is 10cm. I fthe bend is 20cm from the pole of the mirror, then the ration of the lengths of the images of the upright and horizontal portions of the wire is
A. `1 : 2`
B. `3 : 1`
C. `1 : 3`
D. `2 : 1`

A small piece of wire bent into an L shape, with upright and horizontal portions of equal lengths, is placed with the horizontal portion along the axi

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