Question

A wave travelling at 1000m/s has a wavelength of 0.4m.calculate its frequency?

Answer 1

Frequency is `2500` per second.

Explanation:

As velocity of wave `v` is product of wavelength `lambda` and frequency `nu`

we have `v=lambdaxxnu` or `nu=v/lambda` per second

Here `lambda=0.4m` and `v=1000m/s`

hence `nu=1000/0.4=2500` per second.

Answer 2

2500hz

Explanation:

So we just use this formula

Then we put in our numbers so we get:

`1000/0.4=2500`

Hope this helps