Which one of the following correctly relates the speed of a sound wave to its…

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

Problem

Which one of the following correctly relates the speed

v

of a sound wave to its frequency

f

and wavelength

\lambda

? (a)

v = 2\,\lambda f

(b)

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

(c)

v = \lambda f

(d)

v = \pi\,\lambda f