First slide

Introduction to waves

Question

The speed of a wave in a certain medium is 960 m/s. If 3600 waves pass over a certain point of the medium in 1 minute, the wavelength is

Moderate

A

2 meters
B

4 meters
C

8 meters
D

16 meters

Solution

$n = \frac{3600}{60} = 60 Hz \Rightarrow λ = \frac{v}{n} = \frac{960}{60} = 16 m$

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