The whistle on a train produces a sound wave with a particular pitch. Which of the following best describes the whistle sound that a person perceives while the train approaches him or her?

A. A higher pitch, then a lower pitch

B. The same pitch

C. A higher pitch

D. A lower pitch

Question

Kale

9 December, 20:58

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Answers (1)

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Janet Peck · Answer 1

A. A higher pitch, then a lower pitch

The whistle on a train produces a sound wave with a particular pitch. Which of the following best describes the whistle sound that a person perceives while the train approaches him or her?A. A higher pitch, then a lower pitchB. The same pitchC. A higher pitchD. A lower pitch