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Calculate the wavelength of a sound wave whose frequency is 220 Hz and speed is 440 m/s in a given medium.
Attempt either (I) with all sub parts or (II) with all sub parts from the following two questions-
Explain why sound travels faster in water than in air. Include a brief explanation related to the medium's properties.
An object moving at a speed greater than that of sound is said to be moving at
Explain how 'echo' is produced.
What should be the minimum distance between the listener and the reflector to hear an echo of sound propagating with a speed v m s⁻¹?
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