Suppose 40% of a Radioactive Substance Remains After 2 Years

question 10

Multiple Choice

Suppose 40% of a radioactive substance remains after 2 years.Assume that ln 0.4 = -0.9 and find the decay constant.

• A) 0.225
• B) 0.45
• C) 0.6
• D) 1.8
• E) 3.6

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Definitions:

Habituate Rapidly

The process of quickly becoming accustomed or desensitized to a stimulus through repeated exposure.

Nonverbal

Communication or interaction that occurs without the use of words, including gestures, body language, and facial expressions.

Perceptually Differentiated

The capability to distinguish between different stimuli or pieces of information based on sensory input.

Distractible

A characteristic of an individual who is easily pulled away from focusing on something by external stimuli or thoughts.