Question

what is the speed of a wave if the wavelength is 200 m and the period is 20 s?​

Answer 1

Here is your answer

We know that

Velocity = Wavelength/Time period

Here,

Wavelength = 200m

Time period= 20 secs

So,

Velocity= 200/20 m/s

v= 10m/s

HOPE IT IS USEFUL