Question:
A source of sound with adjustable frequency produces 2 beats per second with a tuning fork when its frequency is either 476 $\mathrm{Hz}$ of $480 \mathrm{~Hz}$. What is the frequency of the tuning fork?
Solution:
A source of sound with adjustable frequency produces 2 beats per second with a tuning fork when its frequency is either 476 $\mathrm{Hz}$ of $480 \mathrm{~Hz}$. What is the frequency of the tuning fork?