Question

What is the frequency of a wave that has a wavelength of 0.39 m and a speed

Answer 1

Answer:

The answer is option B

Explanation:

The frequency of a wave can be found by using the formula

$f = \frac{c}{ \lambda}$

where

c is the velocity

From the question

wavelength = 0.39 m

c = 86 m/s

We have

$f = \frac{86}{0.39} \\ = 220.512820...$

We have the final answer as

200 Hz

Hope this helps you