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# Let N1 and N2 Be the Two Slightly Different Frequencies of Two Sound Waves. the Time Interval Between Waxing and Immediate Next Waning is - Physics

#### Question

Let n1 and n2 be the two slightly different frequencies of two sound waves. The time interval between waxing and immediate next waning is ______.

(A) 1/(n_1-n_2)

(B) 2/(n_1-n_2)

(C) (n_1-n_2)/2

(D) 1/(2(n_1-n_2))

#### Solution

(d) 1/(2(n_1-n_2))

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