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A concave mirror of curvature radius 40 cm forms the images of an object at a distance of 100 cm form the mirror on the horizontal principal axis. The mirror is cut symmetrically along the principal axis and is separated vertically with the gap between the two parts as 2 cm. The distance between the two image will be

A
0.5 cm
B
2.5 cm
C
3 cm
D
2 cm
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Solution
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Correct option is C. 2.5 cm

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