physical science explorations
posted by john brown .
Two tuning forks are struck at the some time. One tuning fork has a requency of 20 Hz while the second tuning fork has a frequency of 226 Hz. How many beats will result?
physical science explorations -
They add and subtract.
20 + 226 = 246
226-20 = 205
Most human ears can hear both 246 and 206.