Question

What is the wavelength of an earthquake wave if it has a speed of 15 km/s and a frequency of 12 Hz?

Answer 1

Answer: 1.25 km

Step-by-step explanation:

The velocity
`V` of a wave is given by:

`V=\lambda.f` (1)

Where:

`\lambda` is the wavelength of the wave

`f` is the frequency of the wave. Its unit is Hertz (
`1Hz=(1)/(s)`)

So, we have to find
`\lambda` from equation (1):

`\lambda=(V)/(f)` (2)

`\lambda=(15km/s)/(12Hz)`

Finally we obtain the wavelength of the earthquake wave:

`\lambda=1.25 km`