Homer Says That We Can Safely Use Nuclear Power Because

question 71

Multiple Choice

Homer says that we can safely use nuclear power because all radioactive nuclei are gone after two half-lives. Marge says that only the decay rate is zero after two half-lives. Which one, if either, is correct, and why?

• A) Homer, because half of the nuclei disintegrate in each half-life.
• B) Marge, because the number of decays per unit time is halved in each half-life.
• C) Homer, because it's safe to handle radioactive substances after two half-lives.
• D) Both, because when all nuclei disintegrate the decay rate is also zero.
• E) Neither, because one quarter of the nuclei are left after two half-lives.

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Definitions:

Subsidies

Financial assistance granted by a government to support businesses or individuals, aiming to reduce costs and encourage certain economic activities.

Price-Ceiling

A regulatory limit imposed by a government on how high a price can be charged for a commodity or service, intended to protect consumers.

Agricultural Surpluses

The excess production of agricultural products beyond what is needed for consumption, often leading to lower prices.

Federal Government

The national government of a federal country, which holds the highest level of authority, often over states or provinces.