A laser level projects a laser beam, a single beam of light projected by a mirror continuously in a full circle. The leveling rod with detector is positioned in two different locations. The reading to the left of the instrument, where the laser beam and detector are aligned level, is 46 5/8". The reading to the right of the instrument is detected on the leveling rod at 46 3/4". What is the difference in elevation at the two locations?
What will be an ideal response?
1/8"
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