(c) A detector of radiation is placed near a sample of radon-220 and gives a reading of 720 counts /s. The half-life of radon-220 is 55 s. Calculate the reading after 220 s. Ignore background radiation.
(c) A detector of radiation is placed near a sample of radon-220 and gives a reading of 720 counts /s. The half-life of radon-220 is 55 s. Calculate the reading after 220 s. Ignore background radiation.
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![(c) A detector of radiation is placed near a sample of radon-220 and gives a reading of 720 counts /s. The
half-life of radon-220 is 55 s.
Calculate the reading after 220 s. Ignore background radiation.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F350c7221-14dc-4f39-ac58-2d16b896a565%2Fe41b662e-76d5-4a9e-89d6-23687d8af22c%2Ftw02y0j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(c) A detector of radiation is placed near a sample of radon-220 and gives a reading of 720 counts /s. The
half-life of radon-220 is 55 s.
Calculate the reading after 220 s. Ignore background radiation.
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