The Characteristic Peaks in an X-Ray Spectrum of an Atom

question 118

Multiple Choice

The characteristic peaks in an x-ray spectrum of an atom occur because

• A)of photon absorption.
• B)of the photoelectric effect.
• C)electrons in the atom make transitions to lower energy levels.
• D)of the uncertainty principle.
• E)of rapid deceleration of the bombarding electrons.

---

Definitions:

Social Role Transitions

Changes in an individual's social positions or roles that require adjustment, often involving significant life events such as marriage, parenthood, or career changes.

Clinical Depression

A serious mood disorder characterized by persistent feelings of sadness, hopelessness, and a lack of interest or pleasure in activities, affecting a person’s daily life.

Stressful Life Changes

Significant alterations in one's life situation, such as divorce or job loss, that can lead to increased stress and may necessitate psychological support.

Psychoanalysis

A therapeutic approach developed by Sigmund Freud that emphasizes unconscious processes and past conflicts as key influences on behavior.