A Radioactive Sample Has a Half-Life of 10 Min

question 65

Multiple Choice

A radioactive sample has a half-life of 10 min.What fraction of the sample is left after 40 min?

• A) 1/2
• B) 1/4
• C) 1/8
• D) 1/16
• E) 1/32

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Definitions:

Attraction

The action or power of evoking interest, pleasure, or liking for someone or something.

Physical Attractiveness

The degree to which a person's physical features are considered aesthetically pleasing or beautiful.

Similarity

A measure of how much two or more entities share in common, often used to assess closeness in features, opinions, or characteristics.

Compassion

Witnessing someone suffering and wanting to remove that suffering.