Which of These Is Not Involved in the Operation of Lasers

question 133

Multiple Choice

Which of these is not involved in the operation of lasers?

• A)stimulated emission
• B)population inversion
• C)metastable state
• D)blackbody radiation

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Definitions:

Plants And Animals

Distinct groups of living organisms; plants are primarily photosynthetic eukaryotes, while animals are multicellular eukaryotes with varied dietary habits.

Latitude

A measurement of distance in degrees north or south of the Earth's equator.

Temperature

a measure of the warmth or coldness of an object or substance with reference to some standard value.

Equator

An imaginary line around the middle of Earth, equidistant from the North and South Poles, dividing the Earth into the Northern and Southern Hemispheres.