The Activity of a Radioactive Sample Is the Number of Decay

question 169

Multiple Choice

The activity of a radioactive sample is the number of decay events per second.The SI unit of activity is the becquerel.An older unit for activity is the curie.What is the activity in Bq of a sample with an activity of 47 µCi of radiation? (1 Bq = 1 decay/s and 1 Ci = 3.7 10¹⁰ Bq)

• A)7.9 10² Bq
• B)7.9 10⁸ Bq
• C)1.7 10¹² Bq
• D)1.7 10⁶ Bq
• E)1.3 10^-16 Bq

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Definitions:

Personality Disorder

A type of mental disorder in which an individual has a rigid and unhealthy pattern of thinking, functioning, and behaving, often leading to significant distress or impairment in social, occupational, or other areas of functioning.

Dialectical Behavior

A therapeutic approach that focuses on living in the moment, coping healthily with stress, regulating emotions, and improving relationships with others, emphasizing dialectics or the balance between oppositesu200b.

Cognitive

Related to mental processes such as perception, memory, thought, and problem-solving.

Behavior Therapy

A form of psychotherapy that focuses on changing negative behaviors into positive ones through various techniques.