Sodium-21 Will Emit Positrons Each Having an Energy of 4

question 14

Multiple Choice

Sodium-21 will emit positrons each having an energy of 4.0 × 10^-13 J. What is this energy in MeV?

• A) 4.0 × 10^-7 MeV
• B) 2.5 MeV
• C) 40 MeV
• D) 2.5 × 10⁶ MeV
• E) none of the above

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Definitions:

Fundamental Attribution Error

The cognitive bias of attributing other people's actions to their character or disposition, while attributing one's own actions to situational factors.

Psychological Contract Bias

The tendency for misunderstandings or misinterpretations to occur regarding the unwritten and unspoken expectations between employees and employers.

Hypocrisy Attribution Dynamic

A psychological pattern where individuals judge others as hypocritical without recognizing similar behaviors within themselves.

Factitious Disorder

A mental disorder in which a person acts as if they have a physical or mental illness when they are not really sick.