Question

Saxophone A plays a 430 Hz tone, and at the same time saxophone B plays a tone of a

different frequency. If a beat frequency of 5 beats/second can be heard, which of the
following could be the frequency played by saxophone B?
A. 425 Hz
B. 440 Hz
C. 430 Hz
D. 5 Hz

Answer 1

A. 425 Hz

Step-by-step explanation:

So if you plug in 430 for f1 or f2 (doesn't matter which) and 5 for fbeat. It becomes an algebra problem.

formula used: : beat frequency is equal to the absolute value of frequency 1- frequency 2