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A sound wave travels through air at 343 m/s. If its frequency is 686 Hz, what is
A sound wave travels through air at 343 m/s. If its frequency is 686 Hz, what is its wavelength? (2023)
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A sound wave travels through air at 343 m/s. If its frequency is 686 Hz, what is its wavelength? (2023)
0.5 m
1 m
2 m
3 m
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Wavelength λ = v/f = 343 m/s / 686 Hz = 0.5 m.
Questions & Step-by-step Solutions
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Q
Q: A sound wave travels through air at 343 m/s. If its frequency is 686 Hz, what is its wavelength? (2023)
Solution:
Wavelength λ = v/f = 343 m/s / 686 Hz = 0.5 m.
Steps: 6
Show Steps
Step 1: Identify the speed of sound in air, which is given as 343 meters per second (m/s).
Step 2: Identify the frequency of the sound wave, which is given as 686 hertz (Hz).
Step 3: Use the formula for wavelength, which is Wavelength (λ) = Speed (v) / Frequency (f).
Step 4: Substitute the values into the formula: λ = 343 m/s / 686 Hz.
Step 5: Perform the division: 343 divided by 686 equals 0.5.
Step 6: Conclude that the wavelength of the sound wave is 0.5 meters.
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