5 beats/second are heard when a tuning fork is sounded with a sonometer wire under tension
PHYSICS · Single correct · A Level · Physics · Waves · Waves
Problem
5 beats/second are heard when a tuning fork is sounded with a sonometer wire under tension, when the length of the sonometer wire is either 0.95m or 1m. The frequency of the fork will be:
(1) 195Hz
(2) 251Hz
(3) 150Hz
(4) 300Hz