Answered

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4. A wave traveling at 200 m/sec has a wavelength of 2 meters. What is the
frequency of this wave?


Sagot :

Given that,

The speed of a wave, v = 200 m/s

Wavelength, [tex]\lambda=2\ m[/tex]

We need to find the frequency of this wave. The relation between wavelength, frequency and the speed is given by :

[tex]v=f\lambda\\\\f=\dfrac{v}{\lambda}\\\\f=\dfrac{200\ m/s}{2\ m}\\\\f=100\ Hz[/tex]

So, the frequency of this wave is 100 Hz.