Other Sound Principles - MCAT Chemical and Physical Foundations of Biological Systems

Card 1 of 7

0
Didn't Know
Knew It
0
1 of 76 left
Question

A guitar player uses beats to tune his instrument by playing two strings. If one vibrates at 550 Hz and the second at 555 Hz, how many beats will he hear per minute?

Tap to reveal answer

Answer

Two waves will emit a beat with a fequency equal to the difference in frequency of the two waves. In this case the beat frequency is:

(beats per second)

Convert to beats per minute:

← Didn't Know|Knew It →