A Population Inversion Is a Circumstance Within a Laser System

question 99

Multiple Choice

A population inversion is a circumstance within a laser system in which there are ______ atoms with their electrons in an upper excited state than in a specific preferred lower state.

• A)more
• B)fewer
• C)the same amount
• D)ionized

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Definitions:

Selective Attention

The cognitive process of focusing on one specific aspect of the environment while ignoring other stimuli.

Countertransference

The emotional reaction of a therapist toward the client, influenced by the therapist's own background and psychological issues.

Unconscious

The part of the mind that is inaccessible to the conscious mind but affects thoughts and behaviors.

Preconscious

Refers to the part of the mind that contains information that is not currently in conscious thought but can easily be brought into consciousness.