Answer to Question #47926 in Mechanics | Relativity for Ben

Question

A musical instrument can be tuned by comparing its frequency to that of a standard such as a tuning fork. Let's say that you hear a beat frequency of 6 Hz when comparing your instrument to a 900-Hz tuning fork. What is the frequency of your instrument?

A) 894 Hz
B) 900 Hz
C) 906 Hz
D) Either 906 Hz or894 Hz but we can't tell which

Now let's say you begin to adjust your instrument's frequency upwards and you
find that the beat frequency goes down. What was the original frequency of your instrument?

A) 900 Hz
B) Still can't tell
C) 906 Hz
D) 894 Hz