A tuning fork arrangement (pair) produces `4 beats//sec` with one fork of frequrncy `288cps`.
Channel: Doubtnut
Date: 2020-07-05

A tuning fork arrangement (pair) produces `4 beats//sec` with one fork of frequrncy `288cps`. A little wax is placed on the unknown fork and it then produces `2 beats//sec`. The frequency of the unknown fork is