A 256 Hz tuning fork produces 4 beats per second with a 25 cm wire vibrating in its fundamental mode. The beat frequency decreases when the wire is slightly shortened. Find the minimum shortening required for zero beats.
A 256 Hz tuning fork produces 4 beats per second with a 25 cm wire vibrating in its fundamental mode. The beat frequency decreases when the wire is slightly shortened. Find the minimum shortening required for zero beats.