The diagram below shows the path of a sound wave from a source X. a. State why
Question:
The diagram below shows the path of a sound wave from a source X.
a. State why a person standing at point Y hears an echo.
b. The frequency of the sound wave leaving X is 400 Hz. State the frequency of the sound wave reaching Y.
c. The speed of the sound wave leaving X is 330 m/s. Calculate the wavelength of these sound waves.
d. Sound waves are longitudinal waves. State what is meant by the term longitudinal.
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