Waves (Psy. Ch. 5)

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Decibels

loudness is measured in terms of...a logarithms unit of sound intensity.

Pitch

The frequency of a sound wave is associated with our perception of that sound's...

Electromagnetic Spectrum

encompasses all electromagnetic radiation that occurs in our environment (gamma rays, ultraviolet rays, visible light, infrared light, microwaves, and radio waves).

Amplitude

is the height of a wave as measured from the highest point (peak or crest) to the lowest point (trough).

Timbre

refers to a sound's purity, and it is affected by the complex interplay of frequency, amplitude, and timing of sound waves.

Wavelength

refers to the length of a wave from one peak to the next. This is directly related to the frequency of the wave.

Frequency

refers to the number of waves that pass a given point in a given time period and is often expressed in terms of hertz (Hz)

Visible Spectrum

the portion of the larger electromagnetic spectrum that we can see. It is associated with wavelengths that range from 380 to 740 nanometers.


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