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Two tuning forks of frequencies 256 and 258 vibrations/second are sounded together. Then the time interval between two consecutive maxima heard by an observer is (a) 2 sec (b) 0.5 sec (c) 250 sec (d) 252 sec

Two tuning forks of frequencies 256 and 258 vibrations/second are sounded together. Then the time interval between two consecutive maxima heard by an observer is
(a) 2 sec
(b) 0.5 sec
(c) 250 sec
(d) 252 sec

Grade:12

2 Answers

Arun
25763 Points
one year ago
n1=256n2=258Bothtuningforksaremakingbeatsso,weknowthatt(formax.)=n2n11sec=2582561=0.5sec
Hence, the option B is the correct answer.
Vikas TU
14149 Points
one year ago
T = 1/n1-n2
= 1/258-256
= 1/2 ….............................................................................................................

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