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:

Mode

The value that appears most frequently in a set of data.

Median

The middle value in a sorted list of numbers, dividing the dataset into two halves.

Influenced By Outliers

This describes the impact that anomalous data points, which differ significantly from other observations, have on statistical analyses, potentially skewing the results.

Mean

The mean is a measure of central tendency that is calculated by adding up all values in a dataset and dividing by the number of values.