Which of the following expressions correctly relates the speed of a sound wave with…

PHYSICS · Single correct · A Level · Physics · Waves · Waves

Problem

Which of the following expressions correctly relates the speed

v

of a sound wave with its wavelength

\lambda

and frequency

f

? (a)

v = 2\lambda f

(b)

v = \lambda f

(c)

v = \dfrac{\lambda f}{2}

(d)

v = 4\lambda f