Question

1- A wave has a Wavelength of 12 meters and a Frequency of 10 Hz.
What is its velocity?

Answer 1

Answer:

ν = 120 m / s

Explanation:

∴ λ = 12 m

∴ f = 10 Hz

∴ Hz ≡ 1 / seg (s)

⇒ f = 10 / s

∴ ν = λ * f

⇒ ν = ( 12 m ) * ( 10 / s )

⇒ ν = 120 m / s