Sound wave produce 70 compression in unit time, frequency of the given sound
Answers
Answer:
LEARNING OBJECTIVES
By the end of this section, you will be able to:
Define pitch.
Describe the relationship between the speed of sound, its frequency, and its wavelength.
Describe the effects on the speed of sound as it travels through various media.
Describe the effects of temperature on the speed of sound.
Explanation:
Sound, like all waves, travels at a certain speed and has the properties of frequency and wavelength. You can observe direct evidence of the speed of sound while watching a fireworks display. The flash of an explosion is seen well before its sound is heard, implying both that sound travels at a finite speed and that it is much slower than light. You can also directly sense the frequency of a sound. Perception of frequency is called pitch. The wavelength of sound is not directly sensed, but indirect evidence is found in the correlation of the size of musical instruments with their pitch. Small instruments, such as a piccolo, typically make high-pitch sounds, while large instruments, such as a tuba, typically make low-pitch sounds. High pitch means small wavelength, and the size of a musical instrument is directly related to the wavelengths of sound it produces. So a small instrument creates short-wavelength sounds. Similar arguments hold that a large instrument creates long-wavelength sounds.
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