Which One of the Following Statements Is True

question 5

Multiple Choice

Which one of the following statements is true?

• A) Both the intensity level (in dB) and the sound intensity can never be negative.
• B) The intensity level (in dB) obeys an inverse-square distance law, but the sound intensity does not.
• C) Both intensity level (in dB) and sound intensity obey inverse-square distance laws.
• D) The sound intensity can never be negative, but the intensity level (in dB) can be negative.
• E) Both the intensity level (in dB) and the sound intensity can be negative.

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Definitions:

Chromatic

Relating to or using colors, typically in visual contexts, or pertaining to chromaticism in music, which involves notes outside the main scale.

Achromatic

describes colors lacking in hue, such as black, white, and greys, or scenes and images without color.

Young-Helmholtz Theory

A theory of color and how the human eye perceives color through the processing of different wavelengths by three types of color receptors (cones) sensitive to red, green, and blue.

Television Image

A visual representation produced on a screen by a television system.