katyr1454 katyr1454
  • 25-02-2021
  • Physics
contestada

A radioactive isotope has a life for 15 minutes. It has an initial count rate of 36000 Bg. What will the count be after 1 hour?

Respuesta :

dammyzee
dammyzee dammyzee
  • 25-02-2021

Answer:

18000 Bg

Explanation:

after 15 minutes = 36000/2

After 30 minutes = 36000/4

30 minutes × 2 = 1 hour

After 1 hour = 36000/4 × 2 = 18000 Bg

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