Question

18. A vibrating tuning fork of frequency 250 Hz is producing
sound waves in air. At a particular point in air, a
compression reaches after 5 s. What is the time, after which
the adjacent rarefaction will reach the same point?
(a) I millisecond
(b) 2 millisecond
(c) 3 millisecond
(d) 4 millisecond​

Answer 1

Answer:

1

Explanation:

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