A Shift in the Position of an Emission Line of an Element

question 7

Multiple Choice

A shift in the position of an emission line of an element toward the red or blue is produced by ____.

• A) atoms that become ionized
• B) electrons that transfer from a high energy level to a low energy level
• C) electrons that transfer from a low energy level to a high energy level
• D) the intensity of agitation of atoms in a hot gas
• E) the motion of an object toward or away from the observer

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Definitions:

Learned Helplessness

A condition in which an individual learns to feel powerless and unable to affect the outcome of events after repeated exposure to uncontrollable and adverse situations.

Depression

A psychological condition marked by a continuous feeling of sadness, disinterest in hobbies, and additional signs that negatively affect everyday life activities.

Stressful Events

Situations or occurrences that cause strain or tension, often triggering emotional or physical reactions.

Cognitive-Behavioral Therapy

A therapeutic technique that targets unhealthy feelings, actions, and thoughts with a purpose-driven, organized method.