A tuning fork is set into vibration in air.
a. (a) Define frequency and time period of a vibration.
b. (b) Prove that the number of vibrations produced in a time t seconds is equal to νt, where ν is the frequency of the tuning fork.
c. (c) The tuning fork has a frequency of 256Hz. Calculate the total number of vibrations it produces in 2.5s.