Beats – Practice
1) Two guitars play a note each with frequencies of 245Hz and 251Hz respectively. What is the beat frequency heard by a listener?
2) A student is trying to determine the frequency of a tuning fork without a label. They test it with another tuning fork with a frequency of 256 Hz. They notice a beat frequency of 6 Hz. What are the possible frequencies of the unknown tuning fork?
1) 6 Hz
2) 250 Hz or 262 Hz