Which of the Following Is Essential for the Laser Action

question 39

Multiple Choice

Which of the following is essential for the laser action to occur between two energy levels of an atom?

• A)the lower level is metastable
• B)there are more atoms in the upper level than in the lower level
• C)there are more atoms in the lower level than in the upper level
• D)the lower level is the ground state
• E)the lasing material is a gas

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Definitions:

Ideal Self

A person's conception of how they would like to be, embodying their goals, aspirations, and moral ideals.

Self-Image

The idea, conception, or mental image one has of oneself, including perceptions of abilities, appearance, and personality.

Internal Locus of Control

This refers to the belief that individuals have control over the events in their lives through their decisions and actions.

Unconditional Positive Regard

A concept in client-centered therapy that refers to accepting and supporting someone without judgment, regardless of what they say or do.