Tritium (³H) Is Used in Glowing "EXIT" Signs Located Where

question 43

Short Answer

Tritium (³H) is used in glowing "EXIT" signs located where there is no electricity for lightbulbs. If the half-life of tritium is 12.26 years, what percentage of the original quantity of the isotope is left after 18.5 years?

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Definitions:

Evidence

Information or facts that are used to support the validity of an argument or hypothesis.

Archetype

In psychology, particularly Jungian theory, archetypes are universally understood symbols, terms, or behaviors inherent in the collective unconscious.

Behavior

Observable actions or responses of individuals or groups, which can be influenced by internal or external factors.

Influence

The capacity to have an effect on the character, development, or behavior of someone or something.