Sound Worksheet-4
A. water B. TV transmitter
C. slinky D. tuning fork
A. ultrasonic waves B. infrasonic waves
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Water, Vacuum, Aluminum, Oxygen gas
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Sound Worksheet-6
(a) Compressions and rarefactions?
(b) Crests and troughs?
(i) in the same direction as wave,
(ii) At right angles to the direction of wave.
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