Lena Is Studying the Properties of Light in a Laboratory

question 138

Multiple Choice

Lena is studying the properties of light in a laboratory. If she increases the amplitude of the light waves she is studying, what effect will this have on her perception of the light?

• A) The light will be brighter.
• B) The light will be dimmer.
• C) The hue of the light will be more red-toned.
• D) The hue of the light will be more blue-toned.

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Definitions:

Dependent Variable

A variable in an experiment or study that is expected to change in response to changes in the independent variable.

Manipulated

Pertains to an independent variable in an experiment that is controlled or changed by the researcher to observe its effect.

Measured

Describes the process of quantitatively assessing or gauging a variable, attribute, or phenomenon.

Dependent Variable

In an experiment, it is the variable being tested and measured, which is expected to change as a result of modifications to the independent variable.