The Purpose of the Mirrors at the Ends of a Helium-Neon

question 57

Multiple Choice

The purpose of the mirrors at the ends of a helium-neon laser is:

• A)to assure that no laser light leaks out
• B)to increase the number of stimulated emissions
• C)to absorb some of the photons
• D)to keep the light used for pumping inside the laser
• E)to double the effective length of the laser

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Definitions:

Spontaneous Recovery

A phenomenon in classical conditioning where a previously extinguished response re-emerges after a period of no exposure to the conditioned stimulus.

Overestimate

Assessing something as more significant, valuable, or numerous than it actually is.

Self-justification

A psychological process where individuals defend their actions and thoughts when they are challenged, to preserve their self-esteem.

Psychotherapeutic Treatment

A form of therapy aimed at treating mental health issues by talking with a psychiatrist, psychologist, or other mental health provider.