The period of a sound wave from a piano is 1.20 x 10^-3 s.
If the speed of the wave in the air is 3.40 x 10^2 m/s, what
is its wavelength?
v = fλ
(frequency = 1/period)
so plug in your numbers
If the speed of the wave in the air is 3.40 x 10^2 m/s, what
is its wavelength?
(frequency = 1/period)
so plug in your numbers