Questions
Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds. The velocity of sound is
detailed solution
Correct option is A
No of beats, x = Δn=303=10 Hz⇒ Also = Δn=v1λ1−1λ2=v 15−16=10⇒v=300m/sTalk to our academic expert!
Similar Questions
A metal wire of diameter 1.5 mm is held on two knife edges separated by a distance 50 cm the tension in the wire is 100 N the wire vibrating with its fundamental frequency and vibrating tuning fork together produces 5 beats per second. The tension in the wire is then reduced to 81 N, when the two are excited, beats are heard at the same rate. Calculate frequency of the fork.
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