What is the time - period of a tuning fork whose frequency is 200 Hz ?
Calculate the time period of tuning fork having frequency 25 Hz.
A tuning fork of frequency 100 when sounded together with another tuning fork of unknown frequency produces 2 beats per second. On loading the tuning fork whose frequency is not known and sounded together with a tuning fork of frequency 100 produces one beat, then the frequency of the other tuning fork is
[NCERT 1977]