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MMLU-Pro / 9193 / A solution containingradiophosphorus, P^32 , which is a …

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A solution containingradiophosphorus, P^32 , which is a \beta- emitter with a half-life of 14 days, surrounds a Geiger counter which records 10^3 counts per minute. If the same experiment is performed 28 days later, what counting rate will be obtained?

category

physics

options

  1. 125 counts/min
  2. 100 counts/min
  3. 50 counts/min
  4. 250 counts/min
  5. 2000 counts/min
  6. 400 counts/min
  7. 500 counts/min
  8. 750 counts/min
  9. 1500 counts/min
  10. 1000 counts/min

src

stemez-Physics

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Official source

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