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← ScienceWhich risk increases when a scanning tunneling microscope tip sharpness degrades?
A)Artifactual image detail appears✓
B)Accurate force measurement fails
C)Electron starvation gets worse
D)Excessive thermal drift occurs
💡 Explanation
Reduced sharpness lets multiple tip atoms tunnel simultaneously, creating artifacts; it is due to increased area, so reduced real resolution causes artifactual detail, rather than drift, accurate force readings, or starvation because the voltage stays constant.
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