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1 November, 02:02

Sound waves are produced by the horn of a truck

that is approaching a stationary observer.

Compared to the sound waves detected by the

driver of the truck, the sound waves detected by

the observer have a greater

(1) wavelength (3) period

(2) frequency (4) speed

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Answers (1)
  1. 1 November, 02:27
    0
    Compared to the sound waves detected by the driver of the truck, the sound waves detected by the observer have a greater " (2) frequency" and will be more high pitched.
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