If the Radioactivity of Thorium C Decreases to One-Half in 1

question 59

Multiple Choice

If the radioactivity of thorium C decreases to one-half in 1 h,in another 60 min its activity,compared with that at the beginning of the first hour,will be

• A)1/4
• B)zero
• C)1/8
• D)1/16
• E)1/120

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Definitions:

Secure

The state of being free from danger or threat, or the feeling of safety and confidence.

Stranger

A stranger is someone who is not known or familiar to a person or group, often encountered in public or social settings.

Avoidant Attachment

A type of insecure attachment characterized by a tendency to avoid close relationships and maintain emotional distance from others.

Ambivalent

Having mixed feelings or contradictory ideas about something or someone.