A musical tone,sounded on a piano,has a frequency of 820 Hz and a wavelength in air of 0.400 m.What is the wave speed?
A) 587 m/s
B) 328 m/s
C) 235 m/s
D) 170 m/s

Question

Quizplus · Accepted Answer

We can use the formula v = fλ, where v is the wave speed, f is the frequency, and λ is the wavelength. Plugging in the given values, we have: v = (820 Hz)(0.400 m) = 328 m/s. Therefore, the correct choice is B.

A Musical Tone,sounded on a Piano,has a Frequency of 820