JEE Main 202628 Jan, Evening shiftPhysicsMediumOscillations and Waves185× since 2002
Two tuning forks A and B are sounded together giving rise to 8 beats in 2 s. When fork A is loaded with wax, the beat frequency is reduced to 4 beats in 2 s. If the original frequency of tuning fork B is 380 Hz then original frequency of tuning fork A is ________ Hz.