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← ScienceWhich outcome occurs when a high-purity germanium detector is exposed to environmental radioactivity?
A)Increased background noise in spectra✓
B)Improved energy resolution of spectra
C)Reduced detector dead time
D)Decreased detector cooling requirements
💡 Explanation
Increased background noise occurs due to natural radioactive decay in the environment causing unwanted events in the germanium crystal rather than intended signals. This is due to radioactive DECAY events; therefore detector resolution worsens rather than improves, as unwanted counts accumulate.
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