A device at the bottom of the sea emits a sound wave of frequency 200 Hz. (i) The speed of sound in sea-water is 1500 m / s. Calculate the wavelength of the sound in sea-water. [2]
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Answer:
7.5 Meters
Explanation:
You have been asked to find the wavelength given your speed to be 1500 m/s and a frequency of 200 Hz. The formula is "λ = v/f" where v = speed, f = frequency and λ = wavelength.
Therefore: λ = v/f
= 1500/200
= 7.5 meters
Note: The S.I unit for wavelength is meters (m).
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