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4 cards from this section. Quick, good the night before a test.
What is the frequency of a wave that completes 5 cycles in 2 seconds?
Divide the number of cycles by the time.
If a sound wave has a frequency of 100 Hz, how many cycles occur in 1 second?
Frequency tells you cycles per second.
What is frequency measured in?
Think about the unit you associate with audio signals.
True or False: Higher frequency leads to lower pitch.
Consider how we perceive sound.
A string on a musical instrument vibrates at a frequency of 440 Hz, producing sound. If the tension of the string is increased, causing the frequency to rise to 880 Hz, what happens to the wavelength if the speed of sound in the medium remains constant?
Think about the relationship between speed, frequency, and wavelength.
Analyze how changing the medium from water to air affects the speed of sound and frequency of a wave, while maintaining the same energy input. Explain your reasoning.
Refer to the properties of sound in different media.
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