Lesson: Chapter 4 — Waves and their applications

4.3.2. The speed of sound 4 of 4 Reset answers

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Question 4

The speed of sound in water is roughly how many times its speed in air?

A Four times B The same C Ten times D Half

The right answer is the one marked above.

Four times. About 1400 m s^-1 against about 330 m s^-1: a little over four times.

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