Questions
Beats are produced by two waves given by and . The number of beats heard per second is
detailed solution
Correct option is C
Number of beats per second = n1~n2ω1=2000π=2πn1⇒ n1 = 1000and ω2=2008π=2πn2⇒ n2 = 1004Number of beats heard per sec =1004−1000=4Talk 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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