A Beam of Red Light and a Beam of Violet

question 57

Multiple Choice

A beam of red light and a beam of violet light each deliver the same power on a surface. For which beam is the number of photons hitting the surface per second the greatest?

• A)the red beam
• B)the violet beam
• C)The number of photons per second is the same for both beams.
• D)This cannot be answered without knowing just what the light intensity is.

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Definitions:

Approximately Normally Distributed

Refers to a data set or population that closely follows a normal distribution, characterized by a bell-shaped curve.

Z-score

A statistical measure that describes a value's relationship to the mean of a group of values, measured in terms of standard deviations from the mean.

Finite Population Correction

An adjustment made to the standard formula for calculating sample size and variance when the sample size is a significant fraction of the total population.

Non-normal Probability Distribution

Describes a distribution of data that does not follow the normal distribution pattern, showing skewness or kurtosis different from a bell-shaped curve.