Question

Cesium-137, a waste product of nuclear reactors, has a half- life of 30 years. Use two different methods to determine the fraction of $^{137}$ Cs remaining in a reactor fuel rod: (a) 120 years after it is removed from the reactor, (b) 240 years after, and (c) 1000 years after.

Name: Cesium-137, a waste product of nuclear reactors, has a half- life of 30 years. Use two different methods to determine the fraction of ^137 Cs remaining in a reactor fuel rod: (a) 120 years after it is removed from the reactor, (b) 240 years after, and (c) 1000 years after.
Uploaded: 2020-05-01T20:13:40-08:00
Duration: 4 min 30 s
Channel: Laurent Bergeron
Description: Cesium-137, a waste product of nuclear reactors, has a half- life of 30 years. Use two different methods to determine the fraction of ^137 Cs remaining in a reactor fuel rod: (a) 120 years after it is removed from the reactor, (b) 240 years after, and (c) 1000 years after.

          Cesium-137, a waste product of nuclear reactors, has a half- life of 30 years. Use two different methods to determine the fraction of $^{137}$ Cs remaining in a reactor fuel rod: (a) 120 years after it is removed from the reactor, (b) 240 years after, and (c) 1000 years after.

Added by Gregory N.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Laurent Bergeron

05/01/2020

Step 1

Step 1: Calculate the fraction of Cs-137 remaining after a certain number of years using the formula: Fraction remaining = (1/2)^(number of years / half-life) Show more…

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Cesium-137, a waste product of nuclear reactors, has a half- life of 30 years. Use two different methods to determine the fraction of $^{137}$ Cs remaining in a reactor fuel rod: (a) 120 years after it is removed from the reactor, (b) 240 years after, and (c) 1000 years after.