Tuning fork `F_1` has a frequency of 256 Hz and it is observed to produce `6 beats//second` with
Channel: Doubtnut
Date: 19/01/2020

Tuning fork `F_1` has a frequency of 256 Hz and it is observed to produce `6 beats//second` with another tuning fork `F_2`. When `F_2` is loaded with wax, it still produces `6 beats//sec` with `F_1`. The frequency of `F_2` before loading was